A part or organ, such as an arm, leg, tail, or fin that is joined to the axis or trunk of a body.

An animal's color/shape that protects it from predators

Changes in behavior or physical structure of an organism to become more suited to an environment.

A key used to identify a plant or animal

A temporary state of inactivity during a time that the animal is usually active.

The change in genetic composition of a population over time. May be caused by natural selection, inbreeding, hybridization, or mutation.

Differences in a population’s genetics.

The stopping or slowing of activity during winter; especially slowing of metabolism in some animals.

Animals moving from one place to another for food or breeding.

A permanent heritable change in an organism's genetics

Organisms survive to reproduce and pass on their genes - improves the species over time.

A branch of biology that deals with the functions, mechanisms, and activities of organisms at the cellular or organ system level.

Humans selecting and breeding organisms for desired traits

What adaptation do animals such as birds have that allows them to fly?

What adaptations to organisms such as fish have that allow them to survive underwater?

Animals burrow into the ground in the desert because....

How do some animals in the desert store water?

Animals that are active at night to avoid the daytime heat are ...

Animals like the sea turtle produce a huge number of offspring because...

The greater the genetic variation .....

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