Cats are the primary/definitive host for this protozoan.
There are different types of interactions between two species like mutualism, predation, parasitism, commensalism, etc.
Parasites are the organisms that live in/on another organism (host) and derive benefits like food and shelter from it.
The parasites usually harm the host, in some cases even causing their death.
Most of the parasites are species-specific. They can survive only inside the host of a particular species.
But some parasites require more than one host to complete their life cycle. Usually, in such cases, they reproduce asexually in one host and sexually in the other host/hosts.
The host in which they reproduce sexually is known as the primary/definitive host and the host in which they reproduce asexually is known as the secondary/intermediate host.
As the cats are the only host in which toxoplasma can sexually reproduce, therefore, cats are the primary/definitive host for this protozoan.
To know more about "parasites/parasitism", refer to the link given below:
https://brainly.com/question/22589174?referrer=searchResults
#SPJ4
How does astronomical data support the Big Bang Theory?
The collected astronomical data taken by the scientists support the Big Bang Theory.
Hubble is a scientist which find out the age of the universe with the help of law which also called Hubble's law that allowed astronomers to calculate the time period at which the galaxies start moving apart. This calculation provides an estimate when the Big Bang happened as well as provides information about the age of Universe. Hubble calculated that the Universe was about 2 billion years old so we can conclude that big bang event occur about 2 billion years ago.
Learn more: https://brainly.com/question/23930007
Which is of the following is necessary for natural selection? 1. There must be a shortage of food 2. There must be a change in the environment, causing individuals to change 3. There must be some genetic differences among the individuals of a species 4. all of the above
Answer:
It's 3!
Explanation:
There must be genetic differences so the best fitted organisms will survive. If they were all the same then no one would be best fitted and Natural Selection wouldn't be able to occur
It's not 1 because a food shortage isn't required, there's always competition for food sources
It's not 2 because there doesn't need to be a change in the environment for natural selection, just for evolution.
And it can't be 4 if 1 and 2 are wrong!
Hope this helped!
hershey and chase use a dna based virus for their work. how might the result have been affected had they used an rna virus
Their research provided conclusive evidence that DNA is the genetic substance. The main component of the Hershey and Chase experiment was bacteriophages, which are viruses that influence bacteria.
The virus depends on a host for reproduction because it lacks its own mechanism. The Hershey and Chase Experiment is defined. The Hershey and Chase Experiment is the study that showed that the radioactive T2-bacteriophage was obtained from DNA, which is the genetic material (Viruses that infect E.coli bacteria). The Group-I bacteriophage known as T2-bacteriophage is also known as Enterobacteria phage T2. Alfred Hershey and Martha Chase began looking for the genetic makeup of organisms in 1952. Their research provided conclusive evidence that DNA is the genetic substance. Bacteriophages (viruses that harm bacteria) (viruses that affect bacteria)
To learn more about Hershey please click on below link
https://brainly.com/question/29502912
#SPJ4
How are the Oxitec mosquitoes different from the mosquitoes that Anthony James engineered?
Answer:
The Oxitec mosquitoes are engineered in a slightly different way from those James designed. The males are unable to produce healthy offspring. ... Wild females mated with the engineered males, and their offspring died before they reached adulthood.
5. what are the major steps that occur during photosynthesis? what happens in each step (summarize briefly the key point(s))?
Photosynthesis is a complex process that can be summarized in two key steps: the light-dependent reactions and the light-independent reactions (also known as the Calvin cycle).
In the light-dependent reactions, light energy is converted into chemical energy in the form of ATP and NADPH. In the light-independent reactions, ATP and NADPH are used to convert carbon dioxide into glucose.
During the light-dependent reactions, light energy is absorbed by chlorophyll and other pigments in the chloroplasts of plant cells. This energy is used to split water molecules, releasing oxygen as a byproduct.
The energy from the absorbed light is then used to convert ADP (adenosine diphosphate) into ATP (adenosine triphosphate) and NADP+ (nicotinamide adenine dinucleotide phosphate) into NADPH. These energy-rich molecules, ATP and NADPH, are essential for the next step.
In the light-independent reactions, also known as the Calvin cycle, carbon dioxide enters the chloroplasts and combines with a five-carbon compound called RuBP (ribulose-1,5-bisphosphate). This process is facilitated by the enzyme RuBisCO (ribulose-1,5-bisphosphate carboxylase/oxygenase).
The resulting unstable six-carbon molecule quickly breaks down into two molecules of a three-carbon compound called PGA (phosphoglycerate). ATP and NADPH from the light-dependent reactions provide the energy and reducing power to convert PGA into PGAL(phosphoglyceraldehyde) through a series of enzymatic steps. Some PGAL molecules are then used to regenerate RuBP, while others combine to form glucose and other organic compounds.
Overall, photosynthesis is a remarkable process where plants capture light energy and convert it into chemical energy in the form of glucose, which serves as a fundamental energy source for both plants and other organisms in the food chain.
To learn more about Photosynthesis visit:
brainly.com/question/29775046
#SPJ11
the ____system will dilate the pupil when the retina is not receiving enough light, and the_____system will constrict the pupil when too much light hits the retina.
The sympathetic system will dilate the pupil when the retina is not receiving enough light, and the parasympathetic system will constrict the pupil when too much light hits the retina.
When light strikes the retina, a signal travels through the optic nerve, resulting in the pupillary light response. Because the sensory branch of this reflex is merely sharing the specific sense channel, this is a visual experience. Bright light hitting the retina causes the parasympathetic reaction via the oculomotor nerve, which is then stimulated by the postganglionic fibre from the ciliary ganglion, which contracts and constricts the pupil.
When light strikes the retina in one of the eyes, both pupils constrict. When the light is turned off, both pupils dilate back to their resting state. The reaction is bilateral when the stimulus is unilateral (given to just one eye or both eyes).
The same cannot be said for somatic reflexes. When you touch a hot radiator, you just draw back one arm, not both. Autonomic reflexes are controlled differently than somatic reflexes by the central nervous system. The autonomic system is controlled by the hypothalamus and other CNS sites.
To learn more about Hypothalamus,
https://brainly.com/question/11352172
what's the factor that determines the type of vision of animals ??
Develop a multimedia presentation that summarizes the thesis and main points of your research paper on animal intelligence.
1. The presentation slides can be created using presentation software.
2. The presentation should include charts, graphs, video clips, animations, and/or audio clips.
3. The presentation should support a scripted oral presentation where you explain your thesis, or argument. Each presentation slide should include one subtopic and supporting details.
4. The end of the presentation should include an MLA-formatted list of sources (for the text and the visuals). MLA citations are required.
5. Use eye contact, gestures, and an appropriate tone.
6. Use language appropriate to the topic and audience.
7. Follow your teacher's guidelines for sharing the presentation.
The mental abilities of non-human animals, such as insect cognition, are included in the category of animal cognition. Comparative psychology was the foundation for the study of animal learning and conditioning that is applied in this discipline.
Animal cognition have shown evidence of cognitive skills like causal and logical reasoning, mirror self-recognition, deceit, symbolic communication, foresight, tool creation, and tool usage. The different ways that nonhuman animals can use animal cognition and learning mechanisms to address challenges in their surroundings. Although many animals possess unique cognitive skills that help them thrive in their unique settings, they do not frequently find solutions to new issues. Of course, some of them do, and we refer to them as intellectual, but none of them are as witty as we are. Chimpanzees are the closest surviving cousins to us, so it makes sense that they would rank among the most intelligent creatures in Animal cognition.
Learn more about Animal cognition
https://brainly.com/question/25718992
#SPJ9
Multimedia presentation that summarizes the thesis and main points of our research paper on animal intelligence can be made by including following points :
Intelligence is one of the characteristic features of being human and it comes in various forms. For example, there’s verbal-linguistic intelligence which is also known as communicative ability, spatial intelligence which is basically the ability to observe the world with the mind’s eye , logical-mathematical intelligence which is basically the ability to solve mathematical problems and emotional intelligence is known to be the ability to identify and manage your own emotions and the emotions of others. There are also many other types of intelligence which, in the process of understanding the workings of the human mind, we have tried to disentangle and define.
When we talk of Animal Intelligence, we talk in quite different terms. The study of animal intelligence has a long history. Ever since Darwin’s book titled as the Origin of Species was published, scientists have attempted to understand how animals think, comparing and contrasting this with human thought.
To know more about Animal Intelligence kindly check :
https://brainly.com/question/24219529
#SPJ9
Help me Please!!!!!!!!!!!!!!!!! I will mark correct answer as brainliest!
Tyler and his family drove from Atlanta to Baltimore. They traveled a total of 678 miles over 2 days.
What is the reference point in this scenario?
a. Atlanta
b. Baltimore
c. 678 miles
d. 2 days
Answer:
atlanta i think
Explanation:
In this case the reference point is Atlanta, this is where the family started their motion from. Such that this point may be used to describe their movement. It is sued to describe their movement to Baltimore.
Answer:
I believe the answer is A Atlanta
Explanation:
Cells are typically
much smaller.
Wich one is it prokaryotic and eukaryotic
Answer:
eukaryotic!
Explanation:
prokaryotic cells are significantly smaller than eukaryotic cells :)
Answer:
Prokaryotic cell
Explanation:
they are just tiny :)
What causes proliferation?.
Cell proliferation occurs by combining cell growth and the cell cycle to produce a large number of diploid cell progenies.
The process by which a cell grows and divides to produce two daughter cells is known as cell proliferation. Cell proliferation causes an exponential increase in cell number and is thus a rapid tissue growth mechanism.
Cell proliferation occurs when cell growth is combined with regular "G1-S-M-G2" cell cycles to produce a large number of diploid cell progeny. Cell proliferation in single-celled organisms is largely determined by the availability of nutrients in the environment (or laboratory growth medium).
The rapid proliferation of skin fibroblasts to repair damage caused by a cut or wound is one example of controlled proliferation. Another striking example is liver cells, which normally divide only infrequently.
To learn more about Cell proliferation, here
https://brainly.com/question/28548499
#SPJ4
Which of the following is NOT a quality of a good index fossil?
1. They are only found in one location on the earth
2. They are easy to recognize and look different than other fossils
3. They have a limited time period that they were located on the earth
4. They can be used to help date layers of rocks around the world
Answer:
1.
Explanation:
That is not true! Fossils are found in from germany to australia (all around the world)!
The study of fossils is called paleontology. On earth, there are different types of fossils present on the earth. For example Body Fossils, Molecular Fossils, Trace Fossils, Carbon Fossils, Pseudofossils.
The correct answer is option A.
What are fossils?A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnantsAccording to the question, all the options are relatable to the good fossils index except option A.
The fossils can be found anywhere on the earth, not at a specific location.
Hence the correct answer is option A that is They are only found in one location on the earth.
For more information about the fossils, refer to the link:-
https://brainly.com/question/5763151
Describe the role of platelet to ensure blood always flow in closed blood vessel.
Answer: I hope this answer helps!
Explanation: Palatelets are an important role in the body's functionality. Palatelets are Blood-clotting cells, which, in-case of an injury with a result of bleeding, form blood clots to try and stop that bleeding. Regularly, unactivated palatelets move throughout normal blood vessels. The shape of unacivated palatelets are formed in a disc or plate-like shape. When blood vessels are disturbed and broken, these cells clump together, to simulate a blood clot.
Explain in your own words how volume is measured.
Answer: Volume is measured by length x width x height.
Explanation: how that helps.
What are the two functions of the skeletal system? *
A. Provides stucture and protection
B. Sends and recièves signals throughout the body
C. Obtain nutrients and removes waste produced by the body
D. Regulates body temperature and protects the body from damage.
HELP PLEASE
Answer:
A. provide structure and protection
hope it helps
True or False? Circle the correct answer for each statement. If a statement is false, explain why under the
statement
1. The type of chemical bond within the water molecule is the ionic bond. True False
Answer:
False
Explanation:
The water molecule is not an ionic bond due to it being made out of covalent bonds.
label the cranial nerves (ii, iii, iv, v, vi) attached to the base of the human brain by clicking and dragging the labels to the correct location.
The human midbrain.
The midbrain is the topmost part of the brainstem, the relationship vital between the brain and the spinal twine. There are three foremost elements of the midbrain the colliculi, the tegmentum, and the cerebral peduncles.
It also plays a vital role in motor motion, aches, and the sleep/wake cycle. The midbrain additionally called the mesencephalon, is part of the principal worried machine. it is located under your cerebral cortex and on the top of your brainstem.
The midbrain or mesencephalon is the forward-most part of the brainstem and is related to imagination and prescient, hearing, motor management, sleep and wakefulness, arousal alertness, and temperature regulation.
Learn more about the midbrain here:-https://brainly.com/question/7272047
#SPJ4
Why do some cells divide faster than others and some cells do not divide after they are formed?.
Some cells divide faster than others due to their specific genetic makeup and the environment they are in.
What are cells?
Cells are the basic structural and functional units of all the living organisms. They are the building blocks of life, and they make up the tissues and organs of the body. Cells are composed of a variety of components, including a nucleus, cytoplasm, cell membrane, and various organelles, such as mitochondria and lysosomes. Cells are responsible for all of the activities that keep us alive, including respiration, digestion, and reproduction.
Cells that are part of the immune system are able to rapidly divide in order to produce more copies of themselves to fight off infection. Other cells, such as nerve cells, do not divide once they are formed, as they are not able to regenerate and must stay in place to transmit signals. The environment a cell is in also plays a role in how quickly it divides; cells in a nutrient-rich environment are more likely to divide quickly.
To know more about Cells,
LINK- https://brainly.com/question/28215678
CODE- #SPJ4
Which of the following statements does NOT apply to the principle of superposition?
1. The principle of superposition has helped geologists to create the geologic time scale.
2. The principle of superposition is a way to determine in numbers of years how old a rock is.
3. The principle of superposition can be illustrated with the layers of a cake or a sandwich.
4. The principle of superposition tells us that, in a sequence of undisturbed sedimentary rocks, the youngest rocks are on the top and the oldest rocks are on the bottom.
Statement 2, "The principle of superposition is a way to determine in numbers of years how old a rock is," does not apply to the principle of superposition.
The principle of superposition is a fundamental concept in geology. This principle is based on the understanding that sedimentary layers are deposited sequentially over time, with each new layer forming on top of the previous layers.
However, the principle of superposition does not directly provide a way to determine the numerical age of a rock in years. Instead, it establishes the relative ages of rocks within a given sequence. To assign numerical ages to rocks, geologists rely on additional dating methods, such as radiometric dating, which involves measuring the ratio of isotopes in a rock sample to estimate its age.
Statement 1 is accurate because the principle of superposition has indeed assisted geologists in developing the geologic time scale, which provides a chronological framework for Earth's history based on the relative ages of rocks.
Statement 3 is also valid as the principle of superposition can be illustrated using the layers of a cake or a sandwich, demonstrating the concept of younger layers being on top of older layers.
Statement 4 correctly summarizes the principle of superposition, emphasizing that, in an undisturbed sequence of sedimentary rocks, the youngest rocks are on top, while the oldest rocks are at the bottom.
Know more about the superposition here:
https://brainly.com/question/2069576
#SPJ8
a) Compare and contrast the observed features of Buchan and Barrovian metamorphism in the Caledonian Orogen in Scotland and Ireland (and, optionally, other places). b) Briefly outline what processes control the distribution and evolution of heat and pressure in the Earth. c) Show how those processes explain the similarities and differences between Buchan and Barrovian metamorphism.
a) Buchan metamorphism: high-temperature, low-pressure; Barrovian metamorphism: low-temperature, high-pressure; occur in Caledonian Orogen.
b) Heat generated by radioactivity and planetary accretion; transported by conduction, convection, and advection; pressure influenced by rock weight and tectonic forces.
c) Buchan metamorphism from contact with hot magmas; Barrovian metamorphism from high pressures due to tectonic forces at deeper crustal levels.
a) Buchan metamorphism is characterized by high-temperature, low-pressure conditions, while Barrovian metamorphism involves low-temperature, high-pressure conditions. Both occur in the Caledonian Orogen in Scotland and Ireland, with Buchan showing contact metamorphism and Barrovian exhibiting distinct metamorphic zones.
b) Heat in the Earth is generated by radioactive decay and planetary accretion, and is transported through conduction, convection, and advection. Pressure is influenced by the weight of overlying rocks and tectonic forces.
c) Buchan metamorphism is caused by contact with hot magmas at shallow crustal levels, while Barrovian metamorphism is a result of high pressures at deeper crustal levels due to tectonic forces. These processes explain the differences in temperature and pressure gradients and the observed features of Buchan and Barrovian metamorphism.
To learn more about metamorphism follow the link:
https://brainly.com/question/30244981
#SPJ4
dna from a newly discovered virus was purified, and uv light absorption was followed as the molecule was slowly heated. the absorbance increase at the melting temperature was only 10% of the original dna. what can we hypothesize regarding the nature of the genetic material from this virus?
We postulate that the genetic makeup of this virus may contain a small amount of intramolecular base-pairing.
How does genetics function?Genetics is the study of genes and heredity, or how specific traits or qualities are passed from mother to child as a result of changes in DNA sequence. A gene is a segment of DNA that contains the instructions necessary to build one or more chemicals that help the body function.
What factors are genetic?One gene mutation can result in a genetic illness. multifactorial inheritance problem, by a mix of gene mutations with environmental variables, or by damage to chromosomal variations in the number of structure of all the chromosomes, or monogenic disorder caused by mutations in several genes
To know more about genetic visit:
https://brainly.com/question/12985618
#SPJ4
Which event is most likely evidenced by the appearance of a new organism in the fossil record?
Responses
A new species evolved.
A change in climate occurred.
Optimal conditions finally preserved an old species.
Migration brought back an old species
The most likely scenario from the appearance of a new organism is that "A new species would have evolved."
Why are conifers also called evergreen trees?
Conifers are also known as the evergreen trees as they have needles or the leaves throughout the year.
Conifers are also known as the evergreen trees because they retain their leaves or needles throughout the year and do not shed them in the fall or winter like other trees like deciduous trees. This basically allows them to maintain their photosynthetic capacity throughout the year even during cold as well as dry seasons.
The needles or leaves of conifers are found to be coated with a waxy substance that helps to reduce water loss and protect them from damage due to freezing temperatures or harsh weather conditions.
To know more about conifers
https://brainly.com/question/11534736
#SPJ1
The goal of ______ is to identify each protein present in a given microenvironment at the time of the sampling. A. metagenomics. B. metaproteomics
The goal of b. metaproteomics is to identify each protein present in a given microenvironment at the time of the sampling.
Metaproteomics is the study of the collective protein complement of a complex biological sample, such as a microbial community. This field of research involves the use of mass spectrometry-based methods to analyze the proteins present in a sample. Metaproteomics has become an important tool in microbiology, allowing researchers to identify the metabolic pathways and functions of microorganisms in their natural environments.
By identifying the proteins present in a given microenvironment, researchers can gain a better understanding of the interactions between microorganisms and their environment, as well as the roles that these microorganisms play in various biological processes. Overall, the correct answer is b. metaproteomics is a powerful tool for investigating the complex and diverse microbial communities that exist in the world around us.
Learn more about microenvironment at
https://brainly.com/question/28900775
#SPJ11
For the transformation of bacteria lab (to transform e. coli bacteria with a gene encoding green fluorescent protein -GFP using pGLO plasmid along with LB agar and ampicillin),
1. What new gene (s) were you looking for in the transformed E. coli?
2. Why do you expect colonies on the ampicillin agar to fluoresce?
3. How could you rule out contamination? Mutation?
4. Why was the discovery of GFP so noteworthy?
In the transformation of bacteria lab, we were looking for the gene encoding green fluorescent protein (GFP) in the transformed E. coli.
1. In the transformation of bacteria lab, we were looking for the gene encoding green fluorescent protein (GFP) in the transformed E. coli. The pGLO plasmid used in the transformation contains a gene for ampicillin resistance and a gene for GFP expression under the control of an arabinose-inducible promoter. By transforming E. coli with this plasmid, we introduce the GFP gene into the bacterial genome, and if successful, the transformed bacteria will express GFP.
2. The ampicillin agar used in the transformation contains ampicillin, an antibiotic that kills bacteria that do not have the ampicillin resistance gene. The pGLO plasmid contains the ampicillin resistance gene, so any transformed E. coli that have taken up the plasmid will be resistant to ampicillin. Therefore, we expect colonies on the ampicillin agar to fluoresce because they contain transformed E. coli that express GFP and are resistant to ampicillin.
3. To rule out contamination, we can perform controls such as using sterile technique during the experiment, using sterile media and reagents, and running negative controls with non-transformed E. coli. To rule out mutation, we can perform genetic sequencing to confirm that the GFP gene is present and has not undergone any mutations.
4. The discovery of GFP was so noteworthy because it revolutionized the field of cell biology by allowing researchers to visualize and track cellular processes in real-time. Prior to the discovery of GFP, researchers had to use dyes and stains to visualize cells, which often required fixation and killed the cells. With GFP, live cells could be imaged and tracked over time, providing a wealth of information on cellular dynamics and function. GFP has since been used in a wide range of applications, including genetic engineering, cancer research, and neuroscience.
To know more about green fluorescent protein visit: https://brainly.com/question/28333100
#SPJ11
biologists who study biodiversity describe new species and monitor species of which we are aware. why is the study of biodiversity important in the anthropocene?
The study of biodiversity is important in the Anthropocene because it provides information about the species that go extinct every one thousand years.
Extinction happens when species are faded because of environmental forces consisting of habitat fragmentation, weather trade, natural disaster, over-exploitation by using people, and pollution, or because of evolutionary modifications in their members (genetic inbreeding, poor reproduction, decline in population numbers).
An extinction occasion is a giant and fast decrease in the biodiversity in the world. Such an occasion is recognized via a pointy change inside the diversity and abundance of multicellular organisms.
The main cutting-edge causes of extinction are the loss and degradation of habitat (Deforestation), over-exploitation, invasive species, climate exchange, and nitrogen pollutants.
Learn more about Extinction here:-https://brainly.com/question/1048615
#SPJ4
Describe neutrons.
Location:
Charge:
Mass:
Location:
✔ nucleus
Charge:
✔ neutral
Mass:
✔ one amu
A neutron is a particle present in an atom that has no charge and is present in the nucleus of the atom, the mass of the neutron is 1 amu, and it is very significant because it is used in nuclear fission and fusion reactions.
What is the significance of the neutron?It is very significant as it is used in the nuclear field, such as in nuclear fission and nuclear fusion reactions, and these reactions are highly useful in the nuclear power plant to test nuclear weapons and other applications such as in materials science and engineering.
Hence, a neutron is a particle present in an atom that has no charge and is present in the nucleus of the atom, the mass of the neutron is 1 amu, and it is very significant because it is used in nuclear fission and fusion reactions.
Learn more about the neutron here.
https://brainly.com/question/28992636
#SPJ5
which of the following is the best way to reduce the amount of particulate matter from a manufacturing factory's smokestacks?
a) power plant scrubber
b) cyclone dust collector
c) activated charcoal
d) recycling bin
Answer:
cyclone dust collecter
Explanation:
i just guessed i cant say it is right
A calico cat has both black and orange spots, which demonstrates a codominance pattern. What would be their expected genotype?
Answer:
Calico is a coat color found in cats, which is caused by a SEX-LINKED, CODOMINANT allele.
Explanation:
Codominance means that neither allele can mask the expression of the other allele. An example in humans would be the ABO blood group, where alleles A and alleles B are both expressed. So if an individual inherits allele A from their mother and allele B from their father, they have blood type AB.
if a person is heterozygous for cystic fibrosis is married to someone who actually has the disease. What are the chances that their child will have CF?
Answer:
50%
Explanation:
CF is a recessive trait. That means that an individual must have two copies of the recessive allele in their genotype in order to express the trait. That means that the parent with CF has genotype cc, while the parent who is heterozygous, and does not express the trait, has genotype Cc. Using a Punnett square to demonstrate the cross of these two parents will produce a probability of 50% heterozygous and 50% positive for CF.