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
Naddik [55]
2 years ago
7

Suggest two factors which may have caused ammonitites to become extinct

Biology
1 answer:
WARRIOR [948]2 years ago
4 0

Answer:

A 7.5 mile wide asteroid slammed into the Earth and killed off more than three-quarters of the all species on the planet. There were many changes caused due to the impact. Ocean acidification likely dissolved the shells of their microscopic young ones. Fossil records also shows that the impact wiped plankton species which was their main food source.It starved the ammonites.

Hope it helps :)

You might be interested in
Unlike in prokaryotic cells, replication in eukaryotic cells
elena-14-01-66 [18.8K]
<span>a. is continuous in two directions until the whole chromosome is copied.

</span><span>The two identical daughter cells resulting from mitosis and cytokinesis are identical in the following ways:1. Mitosis occurs when the nucleus of the cell divides into two identical nuclei, each with the same type and number of chromosomes. The cell's DNA is duplicated during this phase. Sometimes the cell's DNA isn't copied properly resulting in cancer-type cells. 2. Cytokinesis is when the cytoplasm divides into two identical daughter cells. Each cell is genetically identical and both are a similar size. </span>
4 0
2 years ago
Wind power is an indirect form of what type of power?
Shkiper50 [21]

Answer: solar power

Explanation:  Wind power is considered indirect forms of solar power because the wind's energy originates in the uneven heating of the Earth. Water power is considered indirect solar energy because water is evaporated by solar hear, lifted and carried by the winds

8 0
2 years ago
Which of the following is NOT true of the cell theory?
Dafna11 [192]
The answer is D.) all cell are composed of a membrane...
7 0
3 years ago
Read 2 more answers
How do contractile vacuoles help a cell with homeostasis?
Vaselesa [24]
Hi!!

The answer is <span>They regulate water intake and excretion.

Hope this helps!

-Payshence xoxo</span>
8 0
3 years ago
Read 2 more answers
Tissue culture experiments with PDGF demonstrate that without this substance _____.
Sergeeva-Olga [200]

Answer:

Answer is 2. Fibroblasts fail to divide.

Explanation:

Tissue culture experiment is the experiment where tissues are grown in an artificial medium. This involves the use of growth medium such as agar or broth. This process help to produce needed tissues in a short period of time.

Fibroblasts are cells which are found in the collective tissues, and they produce collagen. The collagen produced by the Fibroblasts play important role in tissue repair. Fibroblasts are regarded as the main cells in the connective tissue.

Note that, PDGF, which is Platelet -derived growth factor in full, is a growth factor regulating cell growth and it's division.

5 0
3 years ago
Other questions:
  • What criteria might be used to establish someone as an expert witness? A. Education B. Experience C. Publications D. All of the
    5·2 answers
  • How can atoms behave at temperatures near -273c
    13·1 answer
  • The following is a list of the events that occur during a muscle contraction. What is the correct sequence of these events? 1. M
    9·1 answer
  • What are carbohydrates used for?
    10·1 answer
  • Describe process in the human body in which there is evidence of the cell cycle at work
    9·1 answer
  • A plant bending towards a light source is an example of which characteristic of life?
    5·1 answer
  • Which two processes form a cycle with the products of one process becoming the reactants of the other
    12·1 answer
  • HELP PLS I WILL GIVE U BRAINLY
    13·1 answer
  • Describe how the state of matter will affect the usefulness of materials used in a stepping stone
    14·1 answer
  • The pyramidal motor tract carries signals from the motor cortex of each cerebral hemisphere to _______ side(s) of the spinal cor
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!