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Classifying Animals and their Group
This document discusses and compares vertebrates and invertebrates. Vertebrates are animals with backbones, and there are five classes: fish, amphibians, reptiles, birds, and mammals. Each class is then described in 1-2 sentences. Invertebrates are animals without backbones that can take care of themselves after hatching from eggs. Insects are described as the largest group of invertebrates, having six legs and one or two pairs of wings.
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Classifying Animals and their Group
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- 3. What is InvertebratesAnimals? • Animals without backbones are called invertebrates
- 4. What is vertebratesAnimals? • Animals with backbones are called vertebrates.
- 5. 5 classes ofVertebrates • Fish • Amphibians • Reptiles • Birds • Mammals
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- 7. Fish Fish are thesimpliest form of vertebrates. Their body parts are adapted for life in water. The bodies of fish are covered with scales. They reproduce by laying eggs. Gills take in oxygen from water.
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- 9. Amphibians Amphibians can liveon land and in water. As they grow, their gills disappear and lungs take their place. They take oxygen in 2 ways, either through lungs or skin.
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- 11. Reptiles . The bodyof reptiles are covered with scales and hard body plates. Its skin is dry and cool. Like a fish. It is a cold-blooded animal. All reptiles have lungs. Many of them live on land. Some live in water and others in desert.
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- 13. Birds All birds havepairs of wings. Although some birds do not fly. Birds have two legs for walking. Their bodies are covered with feathers which keep them warm. They reproduce by laying eggs.
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- 15. Mammals - They arethe most highly developed among the groups of vertebrates. Their bodies are covered with hair and furs. They have mammary glands that produce milk with which they use to feed their young. Mammals reproduce by giving birth to live young.
- 16. What are Invertebrates Invertebratesare animals without backbones. You may have seen many animals without backbones. Most of these animals can take care of themselves as soon as they hatched from eggs. Invertebrates live and grow in different ways.
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- 18. Insects • Insects arethe largest group of invertebrates. Insects are animals with six legs. They use their legs in moving and holding their food. Most of them have one or two pairs of wings, which they also use in moving about from place to another.