Introduction to Invertibrates

Invertebrates, or animals without a backbone, make up over 95% of all animals on earth. They range from creatures that make their home in the deep blue sea, like sea anemones and jellyfish, to more shallow water organisms such as coral. Other invertebrates can walk on land such as spiders and crabs, and yet others can fly like butterflies, dragonflies, and bees. Invertebrates also range from very simple organisms, such as worms, sponges, and starfish, to very complex organisms such as octopodes.

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Pictures of some

invertebrates

leech

crab






caterpillar

squid

jellyfish






snail






spider








worm








fly







bee






sand dollar







dragonfly








oyster







sea cucumber







coral










clam







sponge







starfish









shrimp







scorpion







octopus