1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jeyben [28]
3 years ago
15

Which of the following describes how biological chemicals provide evidence to support that life changes over time?

Biology
2 answers:
velikii [3]3 years ago
5 0

Answer:

Which of the following describes how biological chemicals provide evidence to support that life changes over time?

A) some animals exhibit similar structures, possibly due to a common ancestor

B) some animals exhibit similar stages of embryonic development

C) some animals exhibit structures that are no longer used for any purpose  

D) some animals exhibit similar proteins

Explanation:

<em>Biological evolution is the set of changes in phenotypic and genetic characters of biological populations through generations</em>. <u>This process has originated the diversity of life forms that exist on Earth from a common ancestor</u>.

<u><em>The answer is</em></u>: <u>A) some animals exhibit similar structures, possibly due to a common ancestor</u>.

Makovka662 [10]3 years ago
4 0

it would be A because of the bone. bone, many bone structure that mainly every animal shares showing that we all came from common ancestors.

You might be interested in
Listed below are several examples of types of animal behavior. Choose the letter of the correct term (A-E) that matches each exa
Masja [62]

Answer:

The options are:

A. operant conditioning

B. classical conditioning

C. innate behavior

D. imprinting

E. altruistic behavior

The correct answer is A. operant conditioning.

Explanation:

The rat's behavior is learned, an example of conditioned behavior.

In operant conditioning, the behavior is committed to memory via the adoption of reward or punishment. In these case study, the rat conditioned behavior is to manoeuvre the maze to get its reward: food.

___________________________

Here is the full question

Listed are several examples of types of animal behavior. Choose the letter of the correct term (A-E) that matches each example in the following questions. operant conditioning classical conditioning innate behavior imprinting altruistic behavior Through trial and error, a rat learns to run a maze without mistakes to receive a food reward.

4 0
4 years ago
Use the balanced equation of a nitrogen cycle pathway below to support the conservation of matter and energy.
Nastasia [14]

Law of thermodynamics states that matter and energy cannot be destroyed or created, but can be converted from one form to another. A balanced equation ensures that this basic principle is observed.

On the left-hand side of the equation (the reactants), there are 2 Nitrogen moles and 8 Hydrogen moles. After the reaction, the molecules are rearranged. Nonetheless, the moles of Nitrogen and Hydrogen in the products remain the same.


7 0
3 years ago
The endoplasmic reticulum is an intricate _____ system.
Papessa [141]
<span>A. transformation is the answer </span>
3 0
3 years ago
Why is the longer chromosome pair used to model crossing over?
nekit [7.7K]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
<span>Using the longer chromosomal pair when modeling crossing-over helps the observer's see the pattern in a spread-out example.</span>
6 0
3 years ago
How does conjunctivitis impact the community ?
guapka [62]

Answer:

This is an epidemic form of conjunctivitis which almost always affects both eyes. The patient may complain of a foreign body sensation, with watering, discharge, redness, and swelling of the lids. They may also complain of the eyes being sensitive to light, with blurred vision.

7 0
3 years ago
Other questions:
  • In a survey, a group of students were asked their favorite sport. Eighteen students chose “other” sports.
    6·2 answers
  • What accounts for the differences in the properties of the various polysaccharides?​
    8·1 answer
  • Inadequate calcium in the neuromuscular junction would directly affect which of the following processes?
    6·1 answer
  • A plant bending towards a light source is an example of which characteristic of life?
    5·1 answer
  • The red color of soil found in Georgia and other warm, humid areas is caused by
    15·1 answer
  • When the hanging wall moves up relative to the footwall it is a blank fault
    12·2 answers
  • In the forest biome, tropical forests are characterized by the greatest diversity of species.
    14·1 answer
  • THIS IS PLANT SCIENCE BTW !!! A source of healthy, locally grown food for the population of a given area :
    12·1 answer
  • This is the smallest mammal.​
    8·2 answers
  • How does burning fossil fuels cause an increase of carbon in the air?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!