1
environment
all the living and nonliving things that surround and affect an organism
2
adaptation
a trait or characteristic that helps an organism survive
3
physical adaptation
an adaptation to a body part
4
behavioral adaptation
something an animal does that helps it survive
5
instinct
a behavior an animal knows how to do without having to learn it
6
succession
change in the kinds of organisms in an ecosystem
7
extinction
a plant or animal species that is no longer living or existing