Answer: 4
Explanation:
It is composed of a cell, but does not have
tissues.
The answer is D. You really have to think about this one :)) I hope you get it right
Explanation:
Evolution involves changing the hereditary characteristics of a population through generations. These traits are the expression of genes that are passed on to offspring during reproduction.
It flows through the consumers (first level second level so forth). However, at each level, it loses 90 percent of the energy as heat. So at each level, each consumer will only get 10 percent of the energy.
