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
lisabon 2012 [21]
3 years ago
13

It has been reported that the DNA of the elephant shark has barely changed over the last 420 million years. Which statement expl

ains why the elephant shark has not changed over time?
Many variations existed in the species.
Several mutations took place in the species.
Their environment remained fairly constant over time.
They were exposed to severe competition for food and a mate.
Biology
2 answers:
dmitriy555 [2]3 years ago
8 0
Their environment remained fairly constant over time
kiruha [24]3 years ago
5 0

Answer:

c

Explanation:

You might be interested in
Which of the following choices supports a circular economy?
mamaluj [8]

The answer is A.

Thrift-store donations choices supports a circular economy.

A thrift store receives donated items or sells goods on consignment. It is run by a not-for-profit group instead of a merchant. The reason for establishing a thrift store is to raise money for charities through the not-for-profit group.  The money realized in a thrift store is used to fund a non profit organization or other charity.

7 0
3 years ago
Read 2 more answers
If a medical professional is talking to you about the back of your head, where your eyesight is controlled, which region is bein
jasenka [17]
The occipital region

“The occipital lobe is one of the four major lobes of the cerebral cortex. The occipital lobe is the visual processing center of the mammalian brain containing most of the anatomical region of the visual cortex.”
3 0
3 years ago
2 Points
lianna [129]

Answer:

D. potential energy to kinetic energy

6 0
3 years ago
At which boundary may a mountain chain of sedimentary rock form?
Pavel [41]

Answer:

A mountain chain of sedimentary rock may form as a result of a convergent boundary of two continental crusts

Explanation:

8 0
3 years ago
Which describes a similarity between abiotic and biotic factors?
Bad White [126]

Answer: <em>They are both necessary for organisms to survive.</em>

Explanation:

<em>Abiotic factors refer to non-living physical and chemical elements in the ecosystem. Abiotic resources are usually obtained from the lithosphere, atmosphere, and hydrosphere. Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem.</em>

4 0
3 years ago
Other questions:
  • We used new tags for the population estimate a year later. If we assume the tags stay on well over the year, what changes the pr
    9·1 answer
  • Recessive traits would never reappear if
    5·1 answer
  • Breaking down food to get energy requires ____ that helps chemical reactions take place
    14·2 answers
  • Describe the carbon and oxygen cycles that occur among living things
    9·1 answer
  • Please help this is a 7th grade science problem
    5·1 answer
  • Name five types of evidence that support the theory of evolution. Write one sentence for each, explaining why it demonstrates ev
    9·1 answer
  • What is basal metabolic index​
    11·1 answer
  • Distinction between weather and climate
    9·1 answer
  • The ovary develops into the fruit if pollinated.<br><br> A. True<br><br> B. False
    13·1 answer
  • What are the two types of reactions enzymes facilitate?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!