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Tanya [424]
3 years ago
9

Does anyone know this one ??

Biology
2 answers:
Romashka [77]3 years ago
6 0

Answer:

It is the second one

Explanation:

Radda [10]3 years ago
3 0

Answer:

The last answer option, organisms are better adapted to their environment.

Explanation:

Natural selection is the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.

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Explanation:

Bone remodeling involves coordinations of osteoclasts and osteoblasts cells in the bone. The former breaks down bone tissue while the latter mineralizes bones. Calcium is the main ion in the body significant in mineralization of bone. Excess Ca2+ is stored in bone while low calcium levels in blood result in bone resorption.  

Stress on a bone also causes increased mineralization to strengthen the bone against this stress. This is why astronauts when they go to space, due to less stress from low gravity, bone loses its mass. When they return back to earth, the bone readjusts to the increased stress from higher gravity by increased mineralization.

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To learn more about bones check out; brainly.com/question/4128260

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