Chapter 2 Study Guide

Study for your test!

Know the following vocabulary words:

instinct-

• A set of actions that a living thing is born with and doesn’t need to learn.

vertebrate-

• An animal with a backbone

endoskeleton-

• An internal supporting structure

heredity-

• The passing of traits from parent to offspring

life span-

• How long an organism can be expected to live

inherited behavior-

• A pattern of behavior that requires no thinking because it is programmed into an animal’s brain.

exoskeleton-

• A hard covering that protects the bodies of some invertebrates.

learned behavior-

• A behavior that is not inborn.

life cycle-

• The stages of growth and change an organism goes through.

invertebrate-

• An animal without a backbone.

complete metamorphosis-

• A life cycle including four stages of growth: egg, larva, pupa, and adult.

Fill in the blanks.

Symmetry refers to a body’s _________________.

The largest group of invertebrates is

____________________.

Hollow bones help birds to _______________.

Molting allows an insect to ________________.

Know the difference between warm blooded and cold

blooded. Be able to give examples of both.

Warm blooded:

• An animal whose body temperature does not change much

• Mammals, birds, horses

Cold blooded:

• An animal that can’t control its body temperature

• Reptile, fish, amphibians

Be able to identify at least one fact about each of the

following animal groups.

Reptile

• Vertebrate

• Cold blooded

• Live on land

• dry, scaly skin

Amphibian

• Vertebrate

• Cold blooded

• Live on land and in water

• Moist smooth skin

Bird

• Vertebrate

• Warm blooded

• Feathers

• Beaks

• 2 legs with clawed feet

Mammal

• Vertebrate

• Warm blooded

• Have fur or hair

• Care for their offspring

arthropod

• Invertebrate

• Exoskeleton

• Jointed legs

• Body divided into sections

What are the steps of complete metamorphosis of a

butterfly.

egg

larva

Pupa

adult

Penguins Life Cycle

eggNewly hatched chick

Young penguin

Adult penguin

Life span vs. Life Cycle

• An animal’s life span is how long the animal is expected to live and ..

• An animal’s life cycle is the stages of growth and change an organism goes through.

• Make your essay based on these facts!

Draw a line of symmetry!

yes No

Study!