what are the two distinguishing developmental hallmarks of the two major groups of bilateral animals the protostomia and the deuterostomia

a fossilized cell is discovered and evidence suggest it reproduced on its own and had dna but a membrane did not enclose its dna. this is more likely a prokaryotes.

Prokaryotes are creatures without a nucleus or other organelles in their cells. Bacteria and archaea, two separate groupings of prokaryotes with allegedly independent evolutionary histories, are separated into.

The majority of prokaryotes are tiny, single-celled creatures with a straightforward structure. Prokaryotic cells lack intrinsic membrane-bound organelles in their cytoplasm, while being surrounded by a plasma membrane. Prokaryotes differ from eukaryotes, another type of creatures, in that they lack a nucleus and other membrane-bound organelles.

One circular DNA molecule, or chromosome, makes up the majority of the genetic material carried by prokaryotes. Prokaryotes have a nucleoid in the centre of the cell that houses the DNA but is not protected by a nuclear membrane. In addition to chromosomal DNA, many prokaryotes also possess smaller, circular DNA molecules known as plasmids, which can provide genetic benefits in particular situations.

Learn more about prokaryotes here :

brainly.com/question/13194999

#SPJ13

Answer: endothermic reaction.

Explanation: A chemical reaction that stores energy is called an endothermic reaction. More energy might be released as products form than the energy needed to break the reactants apart.

Chemical reactions which release energy are called Exothermic reaction whereas the reaction which store energy are called Endothermic reaction. The energy is stored in the form of chemical bonds.

A chemical reaction is a process in which chemical transformation of one set of substance is converted into another type of substance.

Chemical reactions are of two types on the basis of energy transfer: Exothermic reaction and Endothermic reaction. An exothermic reaction is the chemical reaction in which the product is formed with the release of energy in the form of heat. For example: Breakdown of glucose through cellular respiration. An endothermic reaction is the chemical reaction in which the product is formed which stores energy in the form of chemical bonds. For example: The formation of glucose.

Learn more about Energy here:

https://brainly.com/question/1371184

#SPJ6

The additional procedure that must be done to indicate the presence of glucose, and its level, is the blood glucose test, using devices that measure the consent of glucose in the blood.

The capillary blood glucose test is done with the aim of checking blood sugar levels at a certain time of the day and for this a blood glucose device must be used that performs the analysis of a small drop of blood that is taken from the fingertip.

With this information, we can conclude that he additional procedure that must be done to indicate the presence of glucose, and its level, is the blood glucose test, using devices that measure the consent of glucose in the blood.

Learn more about blood glucose in brainly.com/question/8394646

#SPJ1

Answer:

The following is true regarding deductive reasoning but NOT inductive reasoning it results in a conclusion. Thus, option "D" is correct.

In deductive reasoning , the researcher begins with a theory and uses research to test the theory.

In the deductive approach, the theory must be tested through the collection of significant facts that prove the theory is true. In the inductive approach, the researcher does many observations and collects data. With this data, the researcher constructs a theory to explain these facts.

Thus, option "D" is correct since in In deductive reasoning , the researcher begins with a theory and uses research to test the theory.

To learn more about deductive reasoning click here:

https://brainly.com/question/16685989

#SPJ1

Answer:

Your body needs potassium to help your muscles contract, maintain fluid balance, and maintain a normal blood pressure. Normal potassium levels in the body help to keep the heart beating regularly. Potassium may help reduce your risk of kidney stones and also bone loss as you age.

Explanation:

The type of general sense receptor that detects pressure changes in the walls of blood vessels and in portions of the digestive, reproductive, and urinary tracts is known as a mechanoreceptors.

Mechanoreceptors are specialized sensory receptors that respond to mechanical stimuli such as pressure, vibration, or stretch. In the context of blood vessels, mechanoreceptors known as baroreceptors sense changes in blood pressure and help regulate cardiovascular function.

In the digestive, reproductive, and urinary tracts, mechanoreceptors play a role in detecting distension or stretching of the organ walls, providing sensory information about the state and pressure within these organs. These mechanoreceptors relay signals to the central nervous system, contributing to the perception of sensations and the regulation of various physiological processes in the body.

To learn more about mechanoreceptors follow the link:

https://brainly.com/question/17947146

#SPJ4

The complete question is:

Which type of general sense receptor detects pressure changes in walls of blood vessels and in portions of the digestive, reproductive and urinary tracts?

Conclusion is the step of the scientific method explains why the results turned out the way it did.

There are seven steps of the scientific method which are the following:

1. Ask a question: The first step in the scientific method is asking a question that you want to answer.

2. Perform a research about the given topic.

3. Make your hypothesis. Hypothesis is a statement which may be true or false.

4. Test your hypothesis by conducting an experiment or a series of experiments.

5. Make an observation.

6. Do analysis about the results and draw a conclusion on the basis of given data.

7. Present the findings to the world.

So we can conclude that Conclusion is the step of the scientific method explains why the results turned out the way it did.

Learn more about scientific method here: https://brainly.com/question/17216882

#SPJ1

Answer:

see explanation

Explanation:

Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration. Competition for resources like food and space cause the growth rate to stop increasing, so the population levels off.

Answer:

Hey

Active transport is important because it allows the cell to move substances against the concentration gradient.

Hope this helps..

Answer:

Active transport is important because it's essencial for the movement of nutrients and substances all around the body and plant

As a result, the concentration of dissolved oxygen in freshwater decreases as temperature increases, making it more difficult for aquatic organisms to obtain the oxygen they need for respiration.

What is Temperature?

Temperature is a measure of the degree of hotness or coldness of an object or substance relative to another object or substance. It is a physical property that is related to the average kinetic energy of the particles (such as atoms and molecules) that make up the object or substance. The higher the temperature, the greater the kinetic energy of the particles, and the faster they move.

Based on the data table and our knowledge of biology, the oxygen-holding ability of freshwater decreases as temperature increases. This is because as water temperature increases, its ability to hold dissolved gases like oxygen decreases. As a result, the concentration of dissolved oxygen in freshwater decreases as temperature increases, making it more difficult for aquatic organisms to obtain the oxygen they need for respiration.

Learn more about Temperature

https://brainly.com/question/26866637

#SPJ1

Based on the given data:

The Earth is the third planet from the Sun.

The Earth is actually more elliptical than circular, despite the fact that it looks to be spherical from space.

The equatorial diameter is slightly bigger than the distance between the north and south poles, measuring 7930 miles instead of 7900. Simply multiplying 7915 miles, the average diameter of the Earth, by pi, 3.14159, yields the circumference of the planet.

Thus, the circumference of the Earth is approximately 25,000 miles.

Learn more about the size of the earth at: https://brainly.com/question/14452884

#SPJ1

The reason why [AMP] is a key regulator of many metabolic reactions (rather than [ATP]) is because AMP activates energy-producing pathways, while ATP inhibits them.

When energy levels in a cell are low, AMP concentrations increase, signaling that the cell needs to produce more ATP. This activates energy-producing pathways such as glycolysis and fatty acid oxidation, leading to the production of ATP. On the other hand, when energy levels are high, ATP concentrations increase, inhibiting these pathways and preventing unnecessary energy production. Therefore, AMP serves as an important signal for the regulation of energy metabolism in cells.

To know more about metabolic reaction,

https://brainly.com/question/21881098

#SPJ11

Answer:

the number of individual organisms born into a population in a given year - birthrate

the movement of individuals out of a population- migration

When considering receptors for hormones molecules, we can say that, in general, receptors are specific and selective.

These receptors exhibit high specificity for the hormones they bind to, as the binding of a hormone to its receptor initiates a cascade of intracellular events that are specific to that hormone-receptor interaction.

The specificity of hormone receptors is due to their unique structural characteristics, which are complementary to the chemical structure of the hormone molecule. As a result, hormone receptors can distinguish between closely related hormones and selectively bind to their specific target hormones.

To learn more about Hormones follow the link:

https://brainly.com/question/13020697

#SPJ4

Answer:

Explanation:

Answer:

C.store of manila philippines is most beautiful in the earth

Explanation:

I think that is the true answer in this question please hearts me in brainly and give me a star ⭐

The answer is A.

The carbon flow is from the source cells such as leaf to the sink cells such as fruits.

Answer: D

Explanation:

The first cervical vertebra is called the Atlas, while the second cervical vertebra is called the Axis. The articulation between the occipital bone and the atlas allows us to nod our head "yes," while the articulation between the atlas and the axis allows us to rotate our head, such as shaking the head "no."

The first cervical vertebra, the Atlas, is named so because it supports the head, just as Atlas from Greek mythology held the world on his shoulders. It has superior articular processes that articulate with the occipital condyles of the skull, allowing for the nodding motion of the head.

The second cervical vertebra, the Axis, is named for its prominent feature called the dens or odontoid process. This structure projects upward from the body of the axis and serves as a pivot point for the rotation of the head. It forms an articulation with the atlas, allowing for rotational movements, such as shaking the head "no."

The occipital bone of the skull articulates with the atlas, specifically the occipital condyles, which rest on the superior articular facets of the atlas. This articulation allows for the nodding motion of the head, as seen in the "yes" movement.

The region of the skull that articulates with the atlas is the occipital condyles, which are located at the base of the skull and form a joint with the superior articular facets of the atlas.

Lastly, the Atlas, or the first cervical vertebra, lacks both a body and a spinous process. Instead, it has a ring-like structure with anterior and posterior arches. This unique anatomy allows for the accommodation and support of the skull while providing a wide range of movement for the head.

Learn more about vertebrae here

https://brainly.com/question/32748454

#SPJ11

The first cervical vertebra is the Atlas, and the second one is the Axis. Heads nod due to the articulation between the occipital bone and the atlas, rotate due to articulation between the atlas and axis, and articulates with the skull at the occipital condyles. The vertebra that lacks both a body and spinous process is the Atlas.

The first cervical vertebra is known as the Atlas. The second cervical vertebra is referred to as the Axis. The articulation site that allows us to nod our head 'yes' is between the occipital bone and the atlas. On the other hand, the site that permits us to rotate our head, as in shaking the head 'no', is the articulation between the atlas and the axis. The region of the skull that articulates with the atlas is the Occipital condyles. Furthermore, the Atlas, the first cervical vertebra, is unique among other vertebrae as it lacks both a body and spinous process making it capable of accommodating the movement of the head.

https://brainly.com/question/25075805

Answer: The energy system is related to the global system by getting an information system by it. The global system is developed and it's the major system that delivers the whole of measurable data worldwide including local energy system which is essentially designed to supply energy services

The rate of reaction is the speed at which a reaction occurs, and depends on enzymatic activity, which is limited by temperature and pH. Option E. Temperature is the factor that affects the rate of a reaction.

When talking about the rate of reaction we refer to the speed at which a chemical reaction occurs, turning reactants into products.

It can be measured as

The rate of reaction depends on the reactant concentration and on enzyme concentration.

Enzymatic activity is limited by pH and temperature. Every enzyme has an optimum pH and temperature level at which their activity is the highest.

According to this framework, temperature is the one that affects the rate of a reaction. Option E.

You can learn more about the rate of reaction at

https://brainly.com/question/12735680

#SPJ1

Answer:

No, but could depend

Explanation:

Some types of skin cancer are hereditary, and being prone to getting cancer from UV lights can be passed down to an offspring.

Answer:

compound light microscope.

Explanation:

dissecting microscopes are used for dissecting, to not look at cells

-electron microscopes are used to look at things which are really small (i.e:specific endoplasmic reticiulums)

Answer:

The oxygen atoms have electrons more often than hydrogen.

Explanation:

Answer:

organize competitions

provide hands-on experience

connect students with experts

organize leadership conferences

organize community service activities

Explanation:

just did on edge

Answer:

2. Leadership

4. Career-specific skills

Explanation:

Just took the assignment

Hope this helps! :)

The pattern of rising hot gas cells all over the photosphere is called granulation.

Granulation is the result of convective currents in the Sun's outer layer, which cause hot plasma to rise up and cooler plasma to sink down. The rising hot gas cells form bright regions on the photosphere, while the sinking cooler plasma creates darker regions. These cells are usually about 1000 kilometers in size and last for only a few minutes before they dissipate. Granulation is an important aspect of the Sun's behavior because it influences its magnetic field and can also lead to sunspots and solar flares. Understanding the dynamics of granulation is therefore crucial for understanding the behavior of our nearest star.

To know more about photosphere  visit:
https://brainly.com/question/29127538
#SPJ11

Based on the symptoms described, the most likely diagnosis for Giuseppe is pancreatitis, which is the last option. Pancreatitis is a condition where the pancreas, which produces enzymes to help digest food, becomes inflamed.

In this case, the vet has diagnosed inflammation in one of Giuseppe's organs, which is consistent with pancreatitis. The treatment plan of managing pain and keeping Giuseppe hydrated is also typical for managing pancreatitis in dogs. Other diagnostic tests, such as bloodwork or imaging, may be performed to confirm the diagnosis and rule out other possible causes of Giuseppe's symptoms.

Learn more about pancreatitis here.

https://brainly.com/question/15115137

#SPJ1

Scientists study and track other animals' genes in an effort to understand how non-human creatures' genes work and operate. They do this to understand genetic risk factors in illnesses in the human population. This comes primarily from research on the genes of mice because mice are incredibly genetically close to humans --- there are literally thousands of genes in mice and rats that are phenomenally similar to humans. Manipulating their genes is extremely simple, such as adding or deleting genes to better understand their bodily functions --- also known as genetic engineering. The majority of mice and rats used in genetic research and medical studies are inbred and genetically similar, which makes the medical trial outcomes more consistent. This helps us find an understanding in whatever it is that we're trying to find. 

Scientists track the genes of other organisms like rats and mice in databases because these organisms share evolutionary similarities with humans, allowing researchers to study biological processes, diseases, and potential treatments that can apply to humans.

Rat genes are important to human gene research due to their similarities and potential for modeling human diseases and drug responses.

Scientists track the genes of various organisms, including rats and mice, in databases because these organisms serve as valuable model systems for studying biological processes, genetics, diseases, and potential treatments that are relevant to humans. Despite the differences in size and appearance, many biological functions and genetic pathways are conserved across species due to evolutionary relationships.

Rats and mice share a significant portion of their genes with humans and have similar anatomical and physiological characteristics. This similarity allows researchers to study fundamental biological mechanisms and disease processes in these animals and extrapolate the findings to humans. By tracking the genes of these organisms in databases, scientists can access a wealth of information about their genetic makeup, which aids in designing experiments and conducting comparative studies.

Rat genes, in particular, are important to human gene research because rats have a similar genomic organization and share many orthologous genes with humans. Rats are used extensively in medical and scientific research as model organisms to study human diseases such as cancer, cardiovascular disorders, diabetes, neurological conditions, and more. Their genetic and physiological similarities enable researchers to mimic disease processes and test potential therapeutic interventions in rats before moving to human clinical trials.

In summary, tracking the genes of organisms like rats and mice in databases is essential for advancing our understanding of genetics, diseases, and treatments that apply to humans. Rat genes are valuable in human gene research due to their evolutionary relationship with humans and their potential for modeling human diseases and drug responses, ultimately contributing to the development of medical treatments and therapies.

To learn more about genes, here

https://brainly.com/question/31121266

#SPJ3

Astrobiology is the study of life in the universe. It is an interdisciplinary field that combines astronomy, biology, chemistry, geology, and physics.  

The study of astrobiology helps us understand the origin and evolution of life on Earth and the possibility of life on other planets. Chemical evolution is the process by which non-living matter transforms into living organisms. Astrobiology and chemical evolution are related because astrobiology seeks to understand how life evolved and whether life exists elsewhere in the universe.  

The Central Dogma of molecular biology is the process by which genetic information flows within a biological system. It explains how DNA is used to make RNA, which is then translated into proteins. Astrobiology helps us understand how the Central Dogma of molecular biology operates in living organisms on Earth and whether it is a universal process that could exist elsewhere in the universe. Chemical evolution plays a critical role in the Central Dogma because it provides the basic building blocks for DNA, RNA, and proteins.  

To understand the origins of life, we need to look for specific criteria that could explain how non-living matter transformed into living organisms. One such criterion is the presence of a candidate protein that could have played a role in the origin of life. A strong candidate protein would need to have specific characteristics such as:  

1. Stability: A strong candidate protein would need to be stable under the conditions that existed on early Earth.

2. Function: A strong candidate protein would need to have a specific function that could contribute to the origin of life.  

3.  Abundance: A strong candidate protein would need to be present in sufficient quantities to play a significant role in the origin of life.  

4. Simplicity: A strong candidate protein would need to be relatively simple in structure to have arisen through chemical evolution.  

5. Universality: A strong candidate protein would need to be present in all living organisms on Earth and potentially elsewhere in the universe to be considered a universal process of life.  

learn more about Astrobiology

https://brainly.com/question/30161940  

#SPJ11

For the following:

a. The parent cat that is heterozygous for solid fur color (FfPp) has a 50% chance of passing on the recessive allele for spotted fur (f). The parent cat that has spotted fur (ffpp) has a 100% chance of passing on the recessive allele for spotted fur.

To find the probability that the offspring has spotted fur, use the multiplication rule:

P(offspring has spotted fur) = P(first parent has spotted fur) × P(second parent has spotted fur)

= 0.5 × 1

= 0.5

b. The parent cat that is heterozygous for polydactyly (FfPp) has a 50% chance of passing on the dominant allele for polydactyly (P). The parent cat that has spotted fur and a normal number of toes (ffpp) has a 0% chance of passing on the dominant allele for polydactyly.

To find the probability that the offspring has polydactyl, we can use the multiplication rule:

P(offspring has polydactyl) = P(first parent has polydactyl) × P(second parent has polydactyl)

= 0.5 × 0

= 0

However, also use the addition rule:

P(offspring has polydactyl) = 1 - P(offspring has normal number of toes)

= 1 - 0

= 1

Since the dominant allele for polydactyly is completely dominant, any offspring that inherits the dominant allele will have polydactyly. Therefore, the probability that the offspring has polydactyl is 100%.

c. To find the probability that the offspring has both spotted fur and polydactyl, multiply the probability that the offspring has spotted fur by the probability that the offspring has polydactyl.

P(offspring has spotted fur and polydactyl) = P(offspring has spotted fur) × P(offspring has polydactyl)

= 0.5 × 1

= 0.25

Answers:

a. The probability that the offspring has spotted fur is 50%.

b. The probability that the offspring has polydactyl is 75%.

c. The probability that the offspring has both spotted fur and polydactyl is 25%.

Find out more on probability here: https://brainly.com/question/13604758

#SPJ1