Answer:
It can determine the life span of an organism. Things such as natural selection, environmental factors, predators and prey all weigh heavily on the life span on an organism.
Explanation:
none.
<span> At a high intensity the main </span>source of energy<span> is carbohydrate and at a </span>low intensity<span> fat is the </span>source of energy for prolonged <span>activity</span>
Answer:
After DNA replication, each chromosome now consists of two physically attached sister chromatids. After chromosome condensation, the chromosomes condense to form compact structures (still made up of two chromatids). ... The two copies of a chromosome are called sister chromatids
Explanation:
Many reasons to be honest but the main one is because of erosion and the water levels (rising and falling)