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100

The system of the body that carries information to all parts of the body

Nervous System

100

A nerve cell

Neuron

100

The location in which an organism lives

Habitat

100

The movement of a group of organisms from one place to another, usually due to a change in seasons

Migration

100

A group of related organisms making up a single step in the line of descent

Generation

200

Something that prompts a change in an organism's behavior

Stimulus

200

Taste, touch, sight, smell, and hearing

Senses

200

A characteristic or property of an organism

Trait

200

A part of an organism

Structure

200

To reduce body movement during the winter in an effort to conserve energy

Hibernate

300

An animal's natural response to a stimulus

Instinct

300

Facts or data about something

Information

300

To continue living or existing

Survive

300

A feature of an organism

Characteristic

300

A part of an organism that you can see

Feature

400

The main control center in an animal body

Brain

400

The process by which the characteristics of a species change over many generations in response to the environment

Adaptation

400

To make more of a species

Reproduce

400

The coloring or patterns on an animal's body that allow it to blend in with its environment

Camouflage

400

To change; usually organism change that happens over many generations

Mutate

500

A cell of the nervous system that carries signals to the body from the brain and from the body to the brain and/or spinal cord

Nerve

500

All the living and nonliving things that surround an organism

Environment

500

The passing of traits from parent to offspring

Heredity

500

All of the actions and reactions of an animal

Behavior

500

An organism's reaction to a stimulus

Response