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

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Presentation on theme: "All animals can be classified as belonging to one of two groups: Those with backbones. Those without backbones."— Presentation transcript:

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

3 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

4 Arthropods Insects T hey 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......

5 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.

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

7 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.

8 Most invertebrates lay eggs. They're oviparous creatures. The mother lays lots of eggs. The larvae come out of the eggs. The larvae become adults. The larvae grow and change.

9 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.

10 Metamorphosis eggs larva butterfly pupa


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