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Animals in our world are arranged into
groups.
Some animals are Vertebrates. They have a backbone.
This is a dog skeleton. Dogs have a backbone.
This
is a turtle skeleton Turtles
are vertebrates. Read about vertebrates Fish Amphibians Reptiles Birds Mammals Seals Koalas Kangaroos Monkeys Apes Whales Dolphins
Some animals are Invertebrates. They do not have a backbone. Most of the animals on Earth are
invertebrates. Read about these invertebrates: Snails Starfish Jellyfish Insects Spiders Squid Earthworms Crabs
Some animals are
cold-blooded. reptiles, insects, arachnids, amphibians and fish
are cold-blooded. Cold-blooded creatures take on
the temperature of their surroundings. They are hot when their environment is
hot and cold when their environment is cold.
Some animals are
warm-blooded. mammals and
birds are warm-blooded Warm-blooded
creatures, like mammals and birds, try to keep the inside of their bodies at a
constant temperature. They do this by generating their own heat when they are
in a cooler environment, and by cooling themselves when they are in a hotter
environment. Look at these
thermal pictures to see the differences between cold and warm blooded animals. http://coolcosmos.ipac.caltech.edu/image_galleries/ir_zoo/coldwarm.html
Play these animal games: http://www.kidsdomain.com/games/animal2.html http://games.funschool.com/game.php?g=1005 http://animal.discovery.com/games/games.html http://magma.nationalgeographic.com/ngexplorer/games/ |
