Chapter 3 Study Guide

Adaptation - body part or body color that helps an animal live

                example - a chameleon can change colors

                example - a rhino has the horn on its head to defend itself

Basic Needs

            1.  Food        2.  Air            3.  Water           4.  Shelter

Hibernation - dormant inactive state which normal body activities slow down.

                   -Heart beats much slower and body temperature is lowered

Learned Behaviors - things you learn how to do

                            -talking, running, jumping, climbing, etc..

Instinct - Things you know how to do at birth

                -crying, breathing

Migration - moving to a different region, usually for the winter

Fossil - Evidence that something lived long ago

            -example - dinosaur bones, footprints in the ground       

Extinction - all members of a species die out.