Ch. 25, 26, and 27 Study Guide

Insight

the ability to solve a problem without repeated trial and error

altruism

animal reduces its own fitness to help others in a group

innate behavior

born knowing; performed correctly the first time

hibernation

period of time that an animal spends in a dormant state

communication

keep in contact with one another

territoriality

control of an area by one group or species

operant learning

behaviors are controlled by reward

habituation

animals response decreases the more something happens

migration

animals travel from one place to another in search of food or better conditions

stimulus

something that makes an animal behave a certain way

tetrapod

4 legs

atria

an anatomical cavity or passage

amphibian

animals that can live both on land and in water

endoskeleton

internal skeleton made of bones or cartilage

vertebrate

has a backbone

swim bladder

helps fish float higher or lower in the water

cartilage

strong, but flexible connective tissue that protects joints and bones

bony fish

Osteichthyes; having skelton of bone instead of cartilage

countercurrent flow

take in dissolved oxygen from blood

ventricle

muscular chamber that pumps blood out of the heart and into the circulatory system

carapace

upper shell of a turtle

viviparous

keep their eggs inside of their body

oviparous

deposit their eggs into an external nest

endotherm

use own metabolic heat to stay warm

ectotherm

body temperature is determined by their surroundings

monotremes

mammals that lay eggs

amniote

embryo develops in an amnion & chorion; mammal,bird, or reptile

Mammary

specialized glands that produce milk