Answer:
behavior is considered the result of an interaction of genes and environment. For example, the development of intelligence depends on both the genetic influences on the brain and the environmental influences that affect learning in the child. Nature and nurture work together in behavior
Explanation:
Answer:
exchange carbon dioxide for oxygen,help with the movement of the blood cells that pump oxygen-rich blood to all cells in the body.
Explanation:
Disease and food shortages would keep the numbers down because of the increase in life.<span />
Adanine to thymine and cytosine to guanine. A to t has 2 hydrogen bonds. C to g has 3 hydrogen bonds
I think it's Photosynthesis because photosynthetic bacteria began producing excess oxygen, which added oxygen to the Earth's atmosphere.
