The answer would be D. Tropical Rainforest, this would be due to the abundance of rain which creates plenty of vegetation and then, more herbivores will live in the rainforest, and the more herbivores there are, the more carnivores will come to the rainforest. The canopy of the tall trees also provide shelter for countless of thousands of species of birds.
C) a system is a set of parts that function together as a whole
First blank space is endocrine system and the second blank is hormones
Answer:
D
Explanation:
Mutation can be harmful and it can have no effect.