I believe it would have to be C, the age of the fossil
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
<h2>Answer:</h2>
Approximately all characteristics are inheritable but some characteristic of our body is affected by the external environment.
<h3>Growth:</h3>
Growth is the basic property of a living organism. It can be controlled by the genes like height. But mainly it is dependent on the available nutrients to the body. So a healthy environment with all necessary nutrients leads to healthy perfect growth of the body.
<h3>RB C count:</h3>
Red blood cells counts also effected by environment. The environment which has a sufficient amount of oxygen leads to low blood count as compared to an environment with low oxygen which leads to high red blood cell count.
<h3>Immunity:</h3>
Immunity is the property of living organism to fight against the harmful agents that invade the body.
People most exposed to germs are more immune than people who often face the germs.
Answer: true
Explanation: This is because the outer planets are in a gaseous state while the inner planets are solid and more compact. Consequently, the density of the inner planets is greater than that of the outer planets. Despite the density differences, the mass is smaller for the inner planets than the outer planets.
