Can you reply with the list? i think i know.
Living in herd is a structural adaptation.
There are three different kinds of adaptations: behavioural, physiological and structural.
Adaptations help animals survive and their ecosystem.
The second sentence does not sound correct but it seems correct to me (just not in grammar).
Hope it helped!
The most important factor(s) which limit the number of animals that can live in a biome is/are:
A. types of plants
B. quantity of plants
C. number of small animals
D. type of predators
It would be D because it it based off of knowledge and you are proposing a hypothesis before conducting an experiment to predict what will happen