Answer:
B. Evolution takes place by small, gradual steps. E. Simple organisms can developed into more complex organisms over many generations.
Pollution can be found in greater amounts at higher trophic levels compared to lower trophic levels by Biomagnification. It indicates the presence or increase in the concentration of toxic materials or pollutants in the tissues of living organisms in a trophic level of an eco system.
Answer: enzymes (B)
Explanation: just took the quiz on usa test prep!
