Animals Grow and Animals Grow and ChangeChange

by Denise Carrollby Denise Carroll

What do animals need to What do animals need to live and grow?live and grow?

Fresh airFresh air FoodFood WaterWater ShelterShelter

Animals are separated into groups so Animals are separated into groups so they are easier to study.they are easier to study.

Can you put these animals in groups?Can you put these animals in groups?

Animals with Animals with BonesBones

MammalsReptiles AmphibiansAmphibiansFishBirds

MammalsMammals Have fur or hairHave fur or hair Give birth to live babiesGive birth to live babies Have only a few babies at a timeHave only a few babies at a time The female feeds the young milk The female feeds the young milk

from her bodyfrom her body The young are taken care of for a The young are taken care of for a

long time long time People, dogs, horses, cows are People, dogs, horses, cows are

mammals.mammals.

More MammalsMore Mammals

ReptilesReptiles Have scalesHave scales Skin is rough and drySkin is rough and dry Lay eggs with leathery shellsLay eggs with leathery shells Most live all their life on landMost live all their life on land Lay their eggs on landLay their eggs on land Lizards, snakes, turtles, and Lizards, snakes, turtles, and

alligators are examples.alligators are examples.

More ReptilesMore Reptiles

AmphibiansAmphibians Hatch from eggs laid in waterHatch from eggs laid in water When young, they look like fish and When young, they look like fish and

have gills like fish.have gills like fish. They grow legs.They grow legs. Gills are replaced by lungs.Gills are replaced by lungs. They can live on land when older.They can live on land when older. They can stay underwater for a long They can stay underwater for a long

time.time. Frogs, toads, salamanders, and newts Frogs, toads, salamanders, and newts

are examplesare examples

More AmphibiansMore Amphibians

FishFish Live in waterLive in water Most have scales and finsMost have scales and fins Use their fins to move through Use their fins to move through

the waterthe water Use gills to breatheUse gills to breathe Some live in fresh water, others Some live in fresh water, others

live in salt waterlive in salt water

More FishMore Fish

BirdsBirds Have wings and beaksHave wings and beaks Are the only animals that Are the only animals that

have feathershave feathers Lay eggs with shellsLay eggs with shells Use their wings to flyUse their wings to fly

More BirdsMore Birds

Animals without Animals without BonesBones InsectsInsects WormsWorms SnailsSnails StarfishStarfish

InsectsInsects Have 3 body partsHave 3 body parts Have 6 legsHave 6 legs Many have 2 or 4 wingsMany have 2 or 4 wings Have 2 antennasHave 2 antennas

Is a spider an insect?Is a spider an insect?

Spiders are Spiders are notnot insects. insects.

Spiders only have two body Spiders only have two body parts.parts.

Spiders have 8 legs.Spiders have 8 legs.

What Is a Life Cycle?What Is a Life Cycle?

A life cycle is the A life cycle is the stages that stages that occur in a plant occur in a plant or animals or animals lifetime.  lifetime. 

A life cycle is a A life cycle is a circle that has circle that has no end, one life no end, one life ends and one ends and one always begins.always begins.

Animal LifeCycles

Show how they grow

and change.

Plant Life Cycles

Life Cycle of a FrogLife Cycle of a Frog

Life Cycle Life Cycle of a of a

ButterflyButterfly

egg

Larva (caterpillar)

Pupa (chrysalis)

Adult butterfly

Life Cycle Life Cycle of a of a

MealwormMealworm larva

pupa

beetle

egg

Congratulations!Congratulations!

You are an expert You are an expert on animals and on animals and their life cycles.their life cycles.

ResourcesResources http://images.search.yahoo.comhttp://images.search.yahoo.com http://office.microsoft.com/cliparthttp://office.microsoft.com/clipart