When scientists compare organisms at the molecular level, what are they actually studying to determine evolutionary relationships?

DNA and proteins
carbohydrates and sugars
anatomical structures
lipids and fatty acids

Answers

Answer 1

Answer:

DNA and proteins

Explanation:

By comparing these specific molecules in two different species, scientists can determine how closely related the species are.

Answer 2

Answer: DNA and proteins

Explanation: They are what is used to find out whether not something or someone is related to something or someone else.


Related Questions

answerrr pleaseee!!!!!!!

Answers

Answer:

The hervs

Explanation:

Based on this food web, which organism occupies multiple trophic levels?
f) Canada goose
g) Eastern cottontail
h) Loggerhead sea turtle
i) Sand dollar

Answers

Loggerhead sea turtle is the organism which occupies multiple trophic levels.

What is Trophic level?

This can be defined as the position of an organism in a food chain or web. In the food web given ,the Loggerhead sea turtle can be seen in two different positions.

It can be seen as a primary and secondary consumer which was why option H was chosen as the most appropriate choice.

Read more about Trophic level here https://brainly.com/question/1236573

In how many years will there be left until the sun explodes ?

Answers

Answer:

around 5 billion

Explanation:

Answer:

about 7 to 8 billion years.

Omar states in class that “all compounds are molecules, but not all molecules are compounds. “ Which example best supports his statement?

Answers

Answer:

d

Explanation:

11. Where are subduction zones likely to form?

Answers

Answer:

Brainliest pls

Explanation:

Subduction zones happen generally around the edge of the Pacific Ocean, seaward of Washington, Canada, Alaska, Russia, Japan, and Indonesia. Called the "Ring of Fire," these subduction zones are answerable for the world's greatest seismic tremors, the most over-the-top horrible torrents, and a portion of the most obviously awful volcanic emissions.

Question is in the picture

Answers

Answer:

i'm going to have to say c or d

Explanation:

Answer:

I'm pretty sure it's c. I could be wrong though

how does light equality affect plant growth​

Answers

Answer: Light intensity influences the manufacture of plant food, stem length, leaf color and flowering

function of epithelial ​

Answers

Answer:

Epithelial tissue

Explanation:

I hope you meant the epithelial tissue.

The epithelial tissues line body cavities, are the main tissues in glands, and cover body surfaces. They have many functions, such as protection, secretion, absorption, filtration, sensory reception, etc. These functions change depending on where the tissue is located in the body.

Write one sentence summarizing what the first article said about the topic. Begin your
sentence with these words: According to the USDA, . . . . . or, In the article "The GLAS
is Half Full," . . . . . )

Answers

Answer:

Between 1964 and 1968, the number of US troops in Vietnam

.

Explanation:

answer B

A sharp image is formed when light reflects from a(n) _____.


A)
rough


B)
smooth


C)
absorbent


D)
black

Answers

Answer:

Option B) Smooth

Explanation:

sharp image is formed when light reflects from a(n) smooth .

A sharp image is formed when light reflects from a smooth surface.

What is reflection?

A reflective image is formed when light bounces off a reflective surface.

Reflective images can be sharp or blurred depending on the surface on which the light rays bounce from.

When the surface is rough, blurred images are formed. On the other hand, sharp images are formed from smooth surfaces. Sharp images are formed by mirrors because they have smooth surfaces.

More on reflections can be found here: https://brainly.com/question/15487308

#SPJ2

Start with the temperature at 25 ºC and the pH at 7. Do not vary these parameters while testing for substrate (Initial Lactose) concentration, as they are environmental controls. Substrate (Initial Lactose) concentration is in mg/dL.
Vary the substrate (Initial Lactose) concentration by 250 mg/dL, starting with 0 mg/dL.
Click the green ‘Run’ button.
After the experiment runs, click the graph between 2 and 4 minutes and move it until the time underneath the graph shows ‘Minutes: 3’ and hold it there.

Answers

Answer:

The results show that the increase in the substrate concentration is increasing the rate of the reaction. We can see that the reaction rate has increased to 2.88mM/min. After this even if we increase the substrate concentration

In directional selection, what is the beneficial trait?

A) traits that maximize an organism's ability to attract mates
B) two extreme phenotypic forms of a trait
C) one of the extreme phenotypic forms of a trait
D) intermediate phenotypic form of a trait

Answers

the answer for this question is C.

Answer:

C) one of the extreme phenotypic forms of a trait

Explanation:

Directional selection is a process in which one of the extreme phenotypic forms of a trait is favored.

Which factor helps determine the fertility rate of a group of people?
A. Death rate
B. Consumption rate
C. Farmland
D. Access to medicine



Acces to medicine is your answer

Answers

Consumption rate is one of the factors above that helps determine the fertility rate of a group of people

Option D

5. What is the rule of unit factor?

Answers

Answer:

paired unit factors (genes) must segregate equally into gametes such that offspring have an equal likelihood of inheriting either factor.

Explanation:

I hope this helps :).

Which major environmental change is occurring today that could cause the next mass extinction? (1 point)
O deforestation
O climate change
O oil spills
o extreme weather events

Answers

Answer:

climate change. this question answer

The wide and rapid decrease in the population of the species of the ecosystem is called mass extinction.  Climate change could be the reason that will cause mass extinction.

What is climate change?

Climate change is the variation and the shift of the weather and temperature pattern of the atmosphere due to human activities like the burning of fossil fuels and deforestation.

Deforestation is the mass destruction of trees and results in drought and flood. It is one of the factors of climate change. Similarly, extreme weather conditions are also the factor of climate change.

Oil spills cannot be the exact factor for mass extinction but can play a role as they affect the aquatic ecosystem and the lives of aquatic animals.

Therefore, option B. climate change can cause mass extinction.

Learn more about climate change here:

https://brainly.com/question/18784841

Maths skills The body contains approximately 50 trillion cells. Our DNA contains about 24,000 genes, separated by long strands of non-coding DNA. There are about three billion DNA base pairs in a human genome. with such large orders of magnitude standard form is commonly used. 1 million 1 billion 1 trillion 1. Express 50 trillion cells in standard form. 1 000 000 1 000 000 000 1 000 000 000 000 Six powers of ten Nine powers of ten Tweleve powers of ten 1 x 106 1 x 10° 1x 1012 50 trillion = 50 trillion cells is just an estimate - it's difficult to know exactly how many cells we contain, and this number will vary between people. ​

Answers

50 trillion in standard form: 5 x 10^13

What advantages or disadvantages would you expect to be associated with knowing your own I Q

Answers

Answer:

I can't think of any advantages to knowing your score.

Disadvantages of knowing your score - You're most likely to be average statistically...but does that matter? It doesn't tell you what you can or can't do, how successful you'll be, or what you'll face in the future. The total IQ score isn't really informative regarding almost anything. The exam is frequently used in clinical settings to assess areas of disability, competency, and so on...

(My opinion) :)))))

Which condition can increase a plant's rate of transpiration

Answers

Open stomata can increase the plants rate of transpiration.

What is transpiration?

Transpiration refer to the process by which water move all through the plant and its evaporated from aerial parts like leaves, stems and flowers. Water is very essential for plants but only a small amount of water taken up by the roots and this is use for plants growth and metabolism. The remaining 97–99.5% is lost by transpiration and guttation.

Open stomata allow the evaporation of water to the atmosphere.

Therefore, Open stomata can increase the plants rate of transpiration.

Learn more about transpiration from the link below.

https://brainly.com/question/8934780

Open stomata

Hope this helps <3

overing New Species
2. Which of the following is NOT required for
documentation of a newly-discovered organism?
A. It must be described in a scientific journal.
B. A preserved specimen must be catalogued into
at least one recognized museum collection,
C. Someone else has to find the same organism.





Help!!

Answers

Answer:

someone else has to find the same organisim

Oxygen acts as the thermal electron acceptor by combining with electrons and blank to form blank

Answers

Answer:

H+ ions // water

Explanation:

Civilizations near rivers or water sources

Answers

Answer:

Explanation:

The first big civilizations developed in river valleys, such as Mesopotamia, Harappa, and Ancient Egypt. Mesopotamia's culture thrived near the Tigris River, while Egypt's civilization thrived near the Nile.

I will give 100 points if your answer is correct


Construct a model to show the movement of matter and energy from plants into other organisms. Show how mass and energy are conserved before and after each interaction. For example, the beginning substances before an interaction equal the ending substances, and vice versa.

Answers

Answer:

the answer is lower:]

You have read the text Caring for Concussions: More Than a Bump on the Head, in which the author presents information about the impacts of the most common type of brain injury. In your opinion, should medical follow-up care be mandatory for adults diagnosed with concussions? Write an argumentative essay that supports your claim with clear reasons and relevant evidence. Provide details from the text to support your response.

Answers

I will like to argue in favor of medical follow-up being mandatory for adults diagnosed with concussions.

What is a Concussion?

A concussion is a traumatic brain injury that affects your brain function which may be as a result of a blow to the head etc.

The brain is regarded as the center of the nervous system and is a very important and delicate organ. During concussions, the brain function gets reduced which should be checked to avoid damage to other cells.

This can be done by medical follow-up to ensure there is no internal bleeding or damage to brain cells and if there is to start immediate treatment for the survival of the patient.

Read more about Concussion here  https://brainly.com/question/1445399

Petroleum is called a fossil fuel because it is...
1.found in mines containing the skeletons of prehistoric animals
2.a form of stored sunlight produced by organisms that lived long ago
3.a mineral resource produced by combining two chemical elements
4.a long-lasting renewable resource from deep wells

Answers

Answer:

2

Explanation:

Which is a kingdom?
A.Mammaila
B.Animalia
C.Prokarya
D.Eukarya​

Answers

Answer:

B. Animalia is a kingdom.

it is one of the three Kingdoms of Eukarya.

Explanation:

hope this helps

The branch of science that formally names and classifies
organisms by their structure, function, and relationships

Answers

Answer:

One branch of biology, called taxonomy, focuses on the classification of living things. Taxonomy is the study of relationships between living things and the formal classification of organisms into groups based upon those hypothesized relationships. Organisms are classified based upon their similarities and differences.

What is the source of the glucose needed by the brain and red blood cells when glycogen stores become depleted after a 24-hour fast

Answers

the answer is amino acids in pretty sure

describe the full carbon cycle

Answers

Answer:

The Atmosphere: The carbon present in the atmosphere of earth in the form of CO2.  The terrestrial biosphere:  Carbon incorporated in the surface of the earth, by the living beings like plants and animals living on the earth’s surface are all included in this section.Oceanic Carbon Cycle: the creatures living in the oceans reserves a certain amount of carbon, and also the inorganic carbon dissolved in the waters and the carbon present at the surface of the oceans.Geosphere: The excessive carbon is trapped deep within the earth’s crust in the form of various sediments of minerals and fossil fuels. Sediments of limestone had stored a vast amount of carbon in them.

Explanation:

hope I helped

brainliest pls if right

Which is a benefit of genetic counseling?

Answers

Answer:

Genetic counseling after testing can help you better understand your test results and treatment options, help you deal with emotional concerns, and refer you to other healthcare providers and advocacy and support groups.

Explanation:

Scientists compare two different plant species. In species A, the leaf color is
controlled by two alleles. In species B, leaf color is controlled by five alleles.
How will these two plants be different?

• A. Species A will have a wider range of phenotypes.
• B. Species B will have more offspring.
• C. Species B will have a wider range of leaf colors.
• D. Species A will have a wider range of genotypes

Answers

Answer:

C. Species B will have a wider range of leaf color.

Explanation:

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