I started AS in September, and I just wanted to know what the hardest topics we're going to study this year are. Anyone who took sciences at AS?

List two limitations of natural selection

This is a type pf behavior that animals are born with and them to survive

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.