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Pavel [41]
3 years ago
13

The Mesozoic era was the "Age of Reptiles." At the end of the Mesozoic era, many groups of animals disappeared suddenly. Scienti

fic evidence suggests that which of the following occurred at that time?
A. The Earth stopped rotating for a brief time.
B. The animals began living underground.
C. The animals were hunted to extinction by humans.
D. A large asteroid or comet impacted the Earth.
Biology
1 answer:
KengaRu [80]3 years ago
5 0
The answer is d. A large asteroid or comet impacted the Eartg
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Westkost [7]

Answer:

Endosteum plays an important role in bone repair, bone remodelling and appositional bone growth.

Explanation:

Endosteum consists of a soft and thin connective tissue that lines the cavity of femur and humerus. Some of the major functions of endosteum are as follows:

Bone remodelling: Endosteum can stimulate the bone resorption that leads to the formation of new bone from the outside.

Bone repair: Hematoma, at the time of bone injury causes the division of endosteal cells and helps in bone repair.

Appositional bone growth: Endosteum that line the osteoblast cell can secrete bone matrix and increases the bone diameter.

8 0
2 years ago
Which of the following have been linked to the dramatic global decline of amphibian populations? Select one: a. drainage of wetl
charle [14.2K]
<h2>The correct answer is: e.</h2>

Explanation:

  • Decline in the global population of amphibians is due to multiple reasons which include:
  1. A moist ecosystem is necessary for amphibians especially for the purpose of their reproduction. The drainage of the wetlands deprives them of their habitat.
  2. Pollutants adversely affects the survival of the gametes, tadpoles or the adult amphibians by acting as toxic agents and inhibiting their normal metabolic function.
  3. Infectious diseases often cause their death resulting their population to decline.
  4. Global climate warming affects their normal metabolic growth and development and hence causes their population to decline.

7 0
3 years ago
What is the purpose of ATP in cells?
zubka84 [21]

Answer:

ATP gives free energy that the cell can use for energy using processes in the cell

Explanation:

sometimes ATP is necessary for the transportation of nutrients in the human body. ATP gives the cells energy to do for example endocytosis or exocytosis. (actively absorbing nutrients or emitting nutrients)

7 0
2 years ago
Hurry help me! the first person to answer gets brainest :)
alina1380 [7]

Answer:

A: Golgi apparatus

B: vacuole

C: mitochondrion

D: nucleus

E: cell membrane

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3 years ago
Why would you not expect amylase to digest protein?
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