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Animals Grow and Change by Denise Carroll. What do animals need to live and grow? Fresh air Fresh air Food Food Water Water Shelter Shelter.

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Presentation on theme: "Animals Grow and Change by Denise Carroll. What do animals need to live and grow? Fresh air Fresh air Food Food Water Water Shelter Shelter."— Presentation transcript:

1 Animals Grow and Change by Denise Carroll

2 What do animals need to live and grow? Fresh air Fresh air Food Food Water Water Shelter Shelter

3 Animals are separated into groups so they are easier to study. Can you put these animals in groups?

4 Animals with Bones Mammals Reptiles Amphibians Amphibians Fish Birds

5 Mammals Have fur or hair Have fur or hair Give birth to live babies Give birth to live babies Have only a few babies at a time Have only a few babies at a time The female feeds the young milk from her body The female feeds the young milk from her body The young are taken care of for a long time The young are taken care of for a long time People, dogs, horses, cows are mammals. People, dogs, horses, cows are mammals.

6 More Mammals

7 Reptiles Have scales Have scales Skin is rough and dry Skin is rough and dry Lay eggs with leathery shells Lay eggs with leathery shells Most live all their life on land Most live all their life on land Lay their eggs on land Lay their eggs on land Lizards, snakes, turtles, and alligators are examples. Lizards, snakes, turtles, and alligators are examples.

8 More Reptiles

9 Amphibians Hatch from eggs laid in water Hatch from eggs laid in water When young, they look like fish and have gills like fish. When young, they look like fish and 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 time. They can stay underwater for a long time. Frogs, toads, salamanders, and newts are examples Frogs, toads, salamanders, and newts are examples

10 More Amphibians

11 Fish Live in water Live in water Most have scales and fins Most have scales and fins Use their fins to move through the water Use their fins to move through the water Use gills to breathe Use gills to breathe Some live in fresh water, others live in salt water Some live in fresh water, others live in salt water

12 More Fish

13 Birds Have wings and beaks Have wings and beaks Are the only animals that Are the only animals that have feathers Lay eggs with shells Lay eggs with shells Use their wings to fly Use their wings to fly

14 More Birds

15 Animals without Bones Insects Insects Worms Worms Snails Snails Starfish Starfish

16 Insects Have 3 body parts Have 3 body parts Have 6 legs Have 6 legs Many have 2 or 4 wings Many have 2 or 4 wings Have 2 antennas Have 2 antennas

17 Is a spider an insect?

18 Spiders are not insects. Spiders only have two body parts. Spiders only have two body parts. Spiders have 8 legs. Spiders have 8 legs.

19 What Is a Life Cycle? A life cycle is the stages that occur in a plant or animals lifetime. 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. A life cycle is a circle that has no end, one life ends and one always begins. Animal Life Cycles Show how they grow and change. Plant Life Cycles

20 Life Cycle of a Frog

21 Life Cycle of a Butterfly egg Larva (caterpillar) Pupa (chrysalis) Adult butterfly

22 Life Cycle of a Mealworm larva pupa beetle egg

23 Congratulations! You are an expert on animals and their life cycles.

24 Resources


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