Answer:
D. There is a reduced use of pesticides, herbicides, and fertilizers
Explanation:
Predators have to eat. If things are good in an eco-system then the prey is eating good which means the predators can eat good also. Starvation means that things in the eco-system are going bad. Also, It helps the earth maintain its balance. If too much of any aspect of the system is removed it throws the whole thing off balance. too many herbivores will eat too much vegetation.
I believe the answer is C.
because when the dinosaurs thrived they ate most of the mammals which were small animals but when the dinosaurs went extinct the mammals grew larger in size and started to thrive.
Free entry is going to be your answer
If two populations of birds stop interbreeding because of a difference in song patterns this would be described as behavioral isolation.
