The lion would receive approximately 20,000 MJ of energy from the wildebeest, due to the 10% energy transfer efficiency.
When a lion consumes a wildebeest that has consumed prairie grass with 200,000 MJ of energy, the lion would receive only a fraction of that energy. Energy is lost as it moves up the food chain due to metabolic processes and inefficiencies. The exact amount of energy transferred varies, but typically only about 10% is passed on from one trophic level to the next. This means that the lion would receive approximately 20,000 MJ of energy from the wildebeest. The rest is lost as heat, used for the lion's own metabolism, or expended during digestion and other bodily processes.
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Question 14 (2 points) The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called natural selection. O mutation. genetic drift. migration.
The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.
Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.
Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
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1. Bacteria. Two bacteria were placed in a dish. The number of bacteria quadruples every hour. There are now 131,072 bacteria in the dish. How many hours have passed since the original two bacteria we
To determine the number of hours that have passed since the original two bacteria were placed in the dish, we can use the fact that the number of bacteria quadruples every hour.
Starting with two bacteria, we can observe the progression:
Hour 1: 2 bacteria
Hour 2: 2 x 4 = 8 bacteria
Hour 3: 8 x 4 = 32 bacteria
Hour 4: 32 x 4 = 128 bacteria
Hour 5: 128 x 4 = 512 bacteria
Hour 6: 512 x 4 = 2048 bacteria
Hour 7: 2048 x 4 = 8192 bacteria
Hour 8: 8192 x 4 = 32768 bacteria
Hour 9: 32768 x 4 = 131072 bacteria
Therefore, it took 9 hours for the number of bacteria to reach 131,072.
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Many plants can reproduce both sexually and asexually. For example, rose bushes reproduce asexually when cuttings planted in the ground grow roots and become a new rose bush. They can also reproduce sexually when their flowers are pollinated. What is the primary advantage of sexual reproduction in roses?
Choose the correct answer.
(1 point)
A.
Roses can produce more offspring in sexual reproduction.
B.
Roses reproduce more quickly when reproducing sexually.
C.
Roses produced through sexual reproduction have more genetic variation.
Answer:
C. or A. but I think u should try C. first sorry if I'm wrong
plants reproduction can also reproduce sexually when their flowers are pollinated. They can also reproduce sexually when their flowers are pollinated. Roses produced through sexual reproduction have more genetic variation.
what is reproduction in plants ?Reproduction in Flowering Plants occur both asexually and sexually, flowering plants or angiosperms, use the sexual mode of reproduction.
Reproduction in Flowering Plants occurs in the flower as both male and the female gametes are present in it, various parts of flower involve in the process of reproduction.
There are four important steps in the reproduction of flowering plants. such as Pollination, Gametogenesis, Fertilization
The flower is a specialized structure where reproductive part of the plant, containing the male and female reproductive organs which facilitate fertilization.
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what is MKS system?
Answer:
MKS system is the system of measurement in which length is measured in meter(m), mass in kilogram(kg) and time in second(s)
Pseudopodia are used for
Group of answer choices
conjugation.
movement.
reproduction.
mitosis.
Answer:
movement
Explanation:
This is mostly used protoctists like amoeba
What list describes the diet of an omnivore? (3 points)
Mice and rabbits
Rabbits and insects
Fish and insects
Fish and berries
Answer:
Fish and Berries
Explanation:
This is the most likely answer because mice + rabbits are carnivores rabbits + insects are carnivores and fish and insects are carnivores only. I would assume fish and berries is the best answer, hope this helps.
Which plant cells contain half the DNA from one parent plant
Answer:
pollen and ovule
Explanation:
Pollination happens when a pollen grain, which contains half the genetic material needed to produce a new seed, is transported to an ovule.
What are the genetic makeup of pollen and ovule?The megagametophyte is found in the ovule, whereas the pollen grain is the microgametophyte.
Pollen grains are male reproductive structures that give rise to sperms, whereas ovules are female reproductive structures that give rise to egg cells. This is the primary distinction between pollen grains and ovules.
A flower has more pollen grains than ovules so that the pollen has a better chance of reaching the ovules.
Where it will have a better chance of causing them to produce seeds, which will lead to the growth of additional plants.
The portion of a flower that contains the egg and which supplies the other half of the DNA needed for a viable seed to form.
Therefore, pollen and ovule plant cells contain half the DNA from one parent plant.
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The four major parts of the adult brain are the ___, diencephalon, the brainstem and the cerebellum.
The four major parts of the adult brain are the cerebrum, diencephalon, brainstem, and cerebellum.
The four major parts of the adult brain are the cerebrum, diencephalon, brainstem, and cerebellum. The cerebrum is the largest and most prominent part of the brain, responsible for higher cognitive functions such as thinking, memory, and voluntary movements.
The diencephalon, located beneath the cerebrum, includes structures like the thalamus and hypothalamus, which play essential roles in sensory processing, regulation of homeostasis, and hormone production. The brainstem, positioned at the base of the brain, connects the cerebrum and the spinal cord.
It controls basic functions like breathing, heart rate, and consciousness. Lastly, the cerebellum, located at the back of the brain, is primarily responsible for coordinating movement, balance, and posture. Together, these four major parts of the brain work in harmony to support various cognitive, sensory, motor, and regulatory functions, ensuring the proper functioning of the central nervous system.
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5. What would be the consequence of treating the vector, before ligation, with calf intestinal phosphatase?
A. It would prevent the plasmid's DNA from reversing polarity during ligation.
B. It would prevent the ends of the plasmids from being ligated.
C. It would ligate the ends of the plasmids.
D. It would reverse the polarity of plasmids' DNA
The consequence of treating the vector, before ligation, with calf intestinal phosphatase will be B. It would prevent the ends of the plasmids from being ligated.
Calf intestinal phosphatase is a phosphatase enzyme that is derived from the intestine of the calf. The function of this enzyme is to remove the phosphatases present in the 3' and the 5' of a DNA segment by cleaving them.
Vectors, such as plasmids, are treated with the calf intestinal enzyme in order to prevent the plasmid from being ligated again. In order to add our gene of interest to the vector, the calf intestinal phosphatase is added so that the vector binds to the gene of interest rather than itself.
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Harrison is frequently nervous, tense, and worried, both at work and at home. He likely scores low on which of the big five personality dimensions?.
Harrison is frequently nervous, tense, and worried, both at work and at home, thereby he likely scores low on which of the emotional stability personality dimension.
What are the personality dimensions?The expression personality dimensions makes reference to major human features that shape the personality and behavior of an individual in society.
These dimensions include:
OpennessConscientiousnessExtraversionAgreeablenessNeuroticismTherefore, with this data, we can see that the personality dimensions are five and they are able to shape the major personality traits in the individuals that live in a particular society.
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What are chromosomes ? explain
Explanation:
sana po makatulong sainyo
What are chromosomes?
Answer:Chromosomes are thread-like structures found within the nucleus of both animal and plant cells. Protein and a single molecule of deoxyribonucleic acid make up each chromosome (DNA). DNA is passed along from parents to children and carries the precise instructions that distinguish each living thing.
The word "chromosome" is derived from the Greek terms "chroma" and "body" (soma).
--------------------------hope it helps...have a great day!!What are the possible chromosome combinations in the two daughter cells? (Use DG, LG, DP, and LP. )
The combinations will depend on the specific cell division process and the chromosome makeup of the parent cell.
What are chromosomes?Chromosomes are structures within cells that contain genetic information in the form of DNA.
The possible chromosome combinations in the two daughter cells can vary depending on the type of cell division.
In mitosis, each daughter cell receives an identical set of chromosomes, so the chromosome combination is the same in both cells, represented as DG (duplicated genome). In meiosis, daughter cells receive a unique combination of chromosomes due to the process of recombination, resulting in either LG (haploid genome) or DP (duplicated haploid genome) in one daughter cell and LP (haploid genome) or DP (duplicated haploid genome) in the other daughter cell.
Daughter cells are the two identical cells that result from the division of a single cell during cell division.
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which property of objects causes them to resist changes to their motion?
Answer: inertia
Explanation: Newton's First Law of Motion states that an object moving/sitting still will continue to move in that direction/stay sitting there until acted on by an unbalanced force. This is also known as the Law of Inertia.
What is evolution?
When an individual develops the traits
needed to survive and reproduce
An immediate change in a population as
a result of environmental demands
When a population stays the same
reguarless of environmental demands
When a population changes as a result
of natural selection which is driven by
environmental demands
Answer:
When an individual develops the traits
needed to survive and reproduce
Explanation:
the second option is wrong because evolution isn't an immediate change but takes thousands to millions of years depending on what is evolving.
The third option is close but the difference is natural selection is when weaker animals of a species die out while the stronger ones survive for example, when one bird hatches before the other the hatched bird may push the egg out of the nest to get more food. That is an example of natural selection. It is a part of evolution but not evolution itself.
Why are coral reefs important to ocean life? Coral reefs take carbon dioxide out of the water and secrete it into their skeletons. Corals provide an important cleaning function by filtering debris from the water. Corals are an important link in the benthic food chain. Coral reefs provide food, shelter, and breeding grounds for thousands of marine organisms. Coral reefs grow upward to near sea level, providing shallow zones for benthic organisms.
The theory of plate tectonics is supported by _______. The Eurasian and African plate are pushed away from the North and South American Plates at the _______. _______ is where rocks are carried back into the mantle of the earth. _______ iron can be magnetized by the magnetism of the earth. Subduction of the ocean floor occurs in _______. Respond to the following based on your reading. Why have rocks older than 200 million years never been found in the oceans? Explain how the movement of tectonic plates is responsible for this recycling of the ocean floor.
Answer:
1. ridges and trenches (either answer is acceptable)
2. mid-atlanitc
3. subduction zone
4. molten
5. oceanic trenches
Explain:
6. Rocks in the ocean eventually get subducted back into earths mantle due to slab pull. New rocks form at mid-ocean ridges as ridge forces two plates to diverge.
1. ridges and trenches (either answer is acceptable)
2. mid-atlanitc
3. subduction zone
4. molten
5. oceanic trenches
Explain:
6. Rocks in the ocean eventually get subducted back into earths mantle due to slab pull. New rocks form at mid-ocean ridges as ridge forces two plates to diverge.
Explanation:
how does atp provide energy to a cell? group of answer choices it loses a phosphate group, releasing energy in the process. it releases electrons, which are a source of energy. it shuttles electrons across the mitochondrial membrane to create potential energy. it releases protons, which are used in the mitochondrion to create energy.
ATP provides energy to a cell by losing a phosphate group, releasing energy in the process. This process is known as hydrolysis. ATP (adenosine triphosphate) is a nucleotide that is essential for cellular energy supply.
It is the primary source of energy for cellular functions. It is synthesized by the body in the mitochondria. The high-energy bond between the second and third phosphate group of ATP is broken, and a free phosphate group is released during the hydrolysis process, releasing energy that the cell can use.
The process of ATP hydrolysis releases approximately 7.3 kcal of energy per mole of ATP.A phosphate group is removed from ATP during the hydrolysis process, converting ATP to ADP (adenosine diphosphate). This reaction is exothermic, meaning that it releases energy. This energy is then used to power cellular processes such as muscle contraction and protein synthesis.
Therefore, The correct option is: It loses a phosphate group, releasing energy in the process.
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A syringe is preferred over a vacutainer collection device when:
a. the patient's veins are fragile
b. the sample must be drawn from the hand veins
c. many tests have been ordered, and multiple tubes must be drawn.
d. all of the above
" A syringe is preferred over a vacutainer collection device when the patient's veins are fragile, the sample must be drawn from the hand veins, and many tests have been ordered, and multiple tubes must be drawn. The answer is "d. all of the above.
Using a syringe allows for more control and precision during the blood draw, which is especially important when dealing with fragile veins or when drawing from smaller vessels in the hands. Additionally, using a syringe allows for the collection of multiple samples into one container, rather than having to use multiple vacutainer tubes, which can be time-consuming and less efficient.
A syringe is preferred in these situations because it allows for more control over the amount of pressure applied during blood collection, which helps to prevent complications such as vein collapse or bruising. Additionally, using a syringe allows for easier collection from smaller or more difficult-to-access veins, such as those in the hand.
Finally, when multiple tubes need to be drawn, a syringe can facilitate the process by allowing the phlebotomist to switch tubes without losing the needle's position in the vein.
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which amine will react with acetone to give an imine?
Primary amines will react with acetone to give an imine.
What are amines?Amines are organic compounds with functional group formally derived from ammonia by replacing one, two or three hydrogen atoms with hydrocarbon or other radicals.
When a primary amine is added to a solution of aldehyde or ketone, water is liberated and the corresponding imine is formed.
Imines are any of a class of organic nitrogen compounds having the general formula R2C=NR. The reaction of aldehydes and ketones with primary (1º) amines forms imine derivatives, also known as Schiff bases.
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synergies, in the context of segmentation, are blank______ that can be achieved by focusing on horizontal or vertical lines within the market-product matrix.
Synergies, in the context of segmentation, are efficiencies that can be achieved by focusing on horizontal or vertical lines within the market-product matrix.
What is a synergy?A synergy simply means the interaction of organizations to produce a combined effort to achieve a goal.
In this case, synergies, in the context of segmentation, are efficiencies that can be achieved by focusing on horizontal or vertical lines within the market-product matrix.
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Explain the evolutionary relationship between Homo sapiens and Homo neanderthalensis.
The evolutionary relationship between Homo sapiens and Homo neanderthalensis is that both are hominids, members of the family Hominidae. Homo sapiens and Homo neanderthalensis are two species of the genus Homo.
Homo sapiens and Homo neanderthalensis evolved from the same group of Homo heidelbergensis that lived in Europe, Asia, and Africa around 800,000 years ago. Scientists have been able to establish the evolutionary relationship between the two species through the study of their DNA. The DNA evidence shows that Homo sapiens and Homo neanderthalensis share 99.7% of their DNA. This indicates that they are very closely related and that they share a common ancestor.
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What is the differences between a carbon cycle and a food chain/web
Explanation:
Food webs and the carbon cycle are very closely related because every living organism is made up of carbon. ... When a person eats the cow, the person consumes carbon. Thus, carbon moves through food webs. It leaves living organisms through respiration and when organisms die and decompose.
What is an energy pyramid?
Answer:
An energy pyramid, also known as a trophic or ecological pyramid, is a graphical representation of the energy found within the trophic levels of an ecosystem.
Many marine invertebrates are ___________ meaning that they have specialized structures they use to extract plankton out of the surrounding water.
a. scavengers
b. deposit feeders
c. filter feeders
d. chemoautotrophic
The correct answer is c. filter feeders; Many marine invertebrates are filter feeders meaning that they have specialized structures they use to extract plankton out of the surrounding water.
Filter feeders are marine invertebrates that have specialized structures, such as gills or tentacles, which they use to filter small food particles like plankton out of the water. These structures are adapted to allow water to flow through them, while trapping the food particles. Filter feeding is a common strategy among many marine invertebrates, including bivalves, crustaceans, and some types of corals. It allows these animals to efficiently obtain the nutrients they need to survive in their aquatic environments. In contrast, scavengers feed on dead and decaying organic matter, while deposit feeders consume sediment and extract nutrients from it. Chemoautotrophic organisms, on the other hand, derive energy from chemical reactions rather than from food.
In summary, filter feeders are specialized marine invertebrates that extract small food particles like plankton from the surrounding water using specific structures. They play an important role in aquatic ecosystems and are a vital food source for many other marine organisms.
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An unknown specimen was grown on Indole media. Based on your observation of this specimen choose the appropriate statements.
A. This test is a part of the IMViC panel of tests
B. The organism tested converts tryptophan to indole.
C. This media is inoculated by stabbing the agar in the tube.
D. This is a picture of a negative test result.
E. This is a picture of a positive test result.
F. The organism tested fermented indole.
Here are the appropriate statements about an unknown specimen grown on Indole media based on your observation: B. The organism tested converts tryptophan to indole.C. This media is inoculated by stabbing the agar in the tube.E. This is a picture of a positive test result.F. The organism tested fermented indole.
The indole test is used to determine an organism's ability to decompose the amino acid tryptophan into indole. The indole production is detected by adding Kovac's reagent, which contains p-dimethylaminobenzaldehyde, to the medium after incubation.
Tryptophan is an amino acid that is the precursor to indole production in this test. The amino acid tryptophan is a prerequisite for indole production. It is for this reason that organisms that can break down tryptophan into indole are positive.
This is the appropriate response to the student's question:
An unknown specimen was grown on Indole media. Based on your observation of this specimen choose the appropriate statements. B. The organism tested converts tryptophan to indole.C. This media is inoculated by stabbing the agar in the tube.E. This is a picture of a positive test result.F. The organism tested fermented indole.
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A country that has been relatively poor is starting to become wealthier. This
has brought many people into the capital city, causing the population to grow
very rapidly. Many new apartment buildings, as well as water and waste
management systems, are being constructed to meet their living needs.
Which other technology would most directly help the survival of such an
expanding population?
A. Access to modern transportation systems
B. Building more parks and open spaces for recreation
C. A method for growing food with less available land
D. Using space in the city to build new landfills
Answer:
C
Explanation:
this is because for survival living things need a main 3 things and that's water, shelter and food. And if they can get it in limited space than that's just a bonus.
A method for growing food with less available land is the best method directly help the survival of such an expanding population, and it is the primary need, hence option C is correct.
How to maintain an expanding population in a country?When a country is starting to develop the population also needs to grow to live in that city, individuals who lived in other cities also moved to a developed country.
In developing countries, there is the basic need for food, is the primary requirement, and transportation and residency are the secondary things. To develop a method that produces a higher amount of food in less time and with available resources.
Therefore, a method for growing food with less available land is the need to survive for a growing population.
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If you could be any invertebrate animal in the world what would it be? And then give several reason why?
Invertebrates hence contribute to soil quality creation and maintenance in addition to aiding in the pollination of food crops. In agricultural contexts, as well as in gardens and allotments, this is crucial for growing food crops.
What function do invertebrate animals serve?The vast majority of species on Earth are invertebrates, which have an enormous variety and many of them have not yet been fully characterized. In addition to providing several environmental services, such as pollination, decomposition, and nutrient release, they are essential parts of food webs.
If invertebrates vanished, what would happen?Additionally, insects help recirculate nutrients into the soil by decomposing plant material. The majority of bird and amphibian species would become extinct in two months without any insects.
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Which of the following correctly describes the relationship of different organisms in an ecosystem?
The link between the various organisms is appropriately described by the fact that plants depend here on sun for the energy it gives them.
What does ecosystem interdependence between organisms mean?Interdependence. An ecosystem's inhabitants are dependent on one another. A single organism's population fluctuations can have an impact on the ecosystem as a whole. Once they're no longer predators to the foxes, the population of bunny would rise if the wild animals in the food webs above were eliminated.
What connection exists between a community quizlet and an ecosystem?A community is an organic grouping of all the communities of various species that coexist and communicate in a given space while also time. A community is an ecosystem.
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Describe the environmental advantages and disadvantages of using hydroelectric power to generate electricity in the UK.
(6 marker)
Answer: Hydropower is generally available as needed; engineers can control the flow of water through the turbines to produce electricity on demand.
Explanation:
Answer:
Impact on Fish. To create a hydro plant, a running water source must be dammed.
Limited Plant Locations. While hydropower is renewable, there are limited places in the world that are suitable for plant construction.
Higher initial Costs.
Carbon and Methane Emissions.
Susceptible to Droughts.
Flood Risk.
explanation:
Hydroelectric power is energy created using the power and movement of flowing or falling water. It currently makes up only around 2.2% of Britain's total electricity supply, but has a long history in the country, having first been harnessed in 1878 to power the lights of Cragside country house in Northumberland. Globally, hydropower accounts for around 17% of all energy production, so should the UK rethink its approach to going green.
As solar energy interacts with carbon dioxide, water vapor, and several other gases in the troposphere, it warms the troposphereâa process known as the ____________________.
As solar energy interacts with carbon dioxide, water vapor, and several other gases in the troposphere, it warms the troposphere process known as the Green house effect.
Troposphere is the lower most part of the earth's atmosphere comprises of Nitrogen, Oxygen, Argon, Carbon dioxide and Water vapour. Carbondioxide, water vapour and other gases like methane are concentrated highly in the Trophosphere due to some human activities (Industrial revolution). Such excess Green house gases forms a shield layer which retains the heat by trapping the long wave radiation of solar energy in troposphere. As a result, global warming and abnormal weather conditions occurs in the planet.Learn more about the Green house effect on https://brainly.com/question/21469833.
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