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Animals Grow and Change by Denise Carroll. What do animals need to live and grow?. Fresh air Food Water Shelter. Animals are separated into groups so they are easier to study. Can you put these animals in groups?. Animals with Bones. Mammals Reptiles Amphibians Fish Birds. Mammals.
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What do animals need to live and grow? • Fresh air • Food • Water • Shelter
Animals are separated into groups so they are easier to study.Can you put these animals in groups?
Animals with Bones • Mammals • Reptiles • Amphibians • Fish • Birds
Mammals • Have fur or hair • Give birth to live babies • Have only a few babies at a time • The female feeds the young milk from her body • The young are taken care of for a long time • People, dogs, horses, cows are mammals.
Reptiles • Have scales • Skin is rough and dry • Lay eggs with leathery shells • Most live all their life on land • Lay their eggs on land • Lizards, snakes, turtles, and alligators are examples.
Amphibians • Hatch from eggs laid in water • When young, they look like fish and have gills like fish. • They grow legs. • Gills are replaced by lungs. • They can live on land when older. • They can stay underwater for a long time. • Frogs, toads, salamanders, and newts are examples
Fish • Live in water • Most have scales and fins • Use their fins to move through the water • Use gills to breathe • Some live in fresh water, others live in salt water
Birds • Have wings and beaks • Are the only animals that have feathers • Lay eggs with shells • Use their wings to fly
Animals without Bones • Insects • Worms • Snails • Starfish
Insects • Have 3 body parts • Have 6 legs • Many have 2 or 4 wings • Have 2 antennas
Spiders are not insects. • Spiders only have two body parts. • Spiders have 8 legs.
What Is a Life Cycle? • A life cycle is the stages that occur in a plant or animals lifetime. • A life cycle is a circle that has no end, one life ends and one always begins.
Life Cycle of a Butterfly egg Larva (caterpillar) Adult butterfly Pupa (chrysalis)
Life Cycle of a Mealworm egg beetle larva pupa
Congratulations! You are an expert on animals and their life cycles.
Resources • http://images.search.yahoo.com • http://office.microsoft.com/clipart