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All animals can be classified as belonging to one of two groups:

Those without backbones. All animals can be classified as belonging to one of two groups:. Those with backbones. Animals without backbones are called INVERTEBRATES. There are many different types of invertebrates such as: sponges anemone, jellyfish worms snails, clams and octopuses

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All animals can be classified as belonging to one of two groups:

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  1. Those without backbones. All animals can be classified as belonging to one of two groups: • Those with backbones.

  2. Animals without backbones are called INVERTEBRATES. There are many different types of invertebrates such as: • sponges • anemone, jellyfish • worms • snails, clams and octopuses • starfish • insects, spiders, ticks

  3. Arthropods Insects • They have got three main body parts: the head, the thorax and the abdomen. • They have got six legs and two antennae. • Many insects have got wings like the butterfly, fly, bee, ant......

  4. Arthropods Arachnids • They have got eight legs. • They haven't got antennae. • They can live in land or fresh water. • Some examples of arachnids are spiders, scorpions, mites and ticks.

  5. Snails and slugs • They have got soft bodies. • They haven't got legs. • They have got two antennae. • Snails have also got a shell.

  6. Worms • They have got soft bodies. • They haven't got legs, a shell or atennae. • They can be flat, round or segmented. • Earthworms live under the ground.

  7. Most invertebrates lay eggs. They're oviparouscreatures. • The mother lays lots of eggs. • The larvae come out of the eggs. • The larvae become adults. • The larvae grow and change.

  8. Some insect larvae change a lot when they grow. METAMORPHOSIS 1. A butterfly lays eggs. 2. The butterfly larvae come out of the eggs. 3. The larvae are called caterpillars. They eat lots of leaves. 4. The caterpillar makes a special covering. It's called a cocoon. 5. When they come out of the cocoon, they're butterflies.

  9. Metamorphosis larva eggs butterfly pupa

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