Animals

Revision notes needed.

Characteristics of Animals

1. All animals are living things2. They need air, food and water3. Can Reproduce4. Can Grow5. Die6. Move on their own7. Respond to changes quickly

Comparisons

Body Covering Habitat Movement Method of reproduction

Body Coverings

Different animals have different body coverings.

Purposes : Keep the animal warm For movement Protect them from injuries Look attractive camouflage

Important note: Some animals do not have body coverings.Examples: Frog, squid, earthworm, slug, jellyfish, cuttlefish, etc.

Hair : Human, tiger, sheep, dog, bear (Mammals)

Feathers : eagle, chicken, swan (Birds) Scales : Snake and crocodile (Reptiles) guppy,

goldfish (Fish)

COMMON BODY COVERINGS

Habitats

• Uses• Protect themselves from weather conditions• Rest and Sleep• Hide from enemies or predators• Reproduce and look after their young• Find food easily

Movement• Uses• Look for food, water and shelter• Escape from danger• Look for mating partners

Method of reproduction

• Uses• Ensure the survival of their species-------------------------------------------------------------------------------

• Types• Lay eggs• Give birth

Six main groups of animals

• Main Groups AreMammalsBirdsFishReptiles InsectsAmphibians

Mammals

Main Characteristics: Have hair on their body Suckle their young with milk Give birth to live young Breathe with their lungs Are warm-blooded Are vertebrates

Platypus and spiny anteater are special examples of mammals. They both reproduce by laying eggs.

Birds

Main Characteristics:Have a beakHave feathers as their body coveringReproduce by laying eggsAre warm-bloodedBreathe with their lungsAre vertebrates

Fish

Main Characteristics:Have finsBreathe with their gillsLive in waterHave scales as their body coveringReproduce by laying eggsCold-bloodedAre vertebrates

Insects

Main Characteristics:Have 3 body partsHave 6 legsPair of feelersHave wingsReproduce by laying eggsBody protected by exoskeletonCold-blooded Invertebrates

Reptiles

Main Characteristics:Have scales as their body coveringReproduce by laying eggsBreathe with their lungsCold-BloodedVertebrates

Amphibians

Main CharacteristicsSpend part of their lives in water and on landLay eggs in waterBreathe through gills when youngMany undergo metamorphosisDevelop lungs in adulthoodMoist permeable skinCold-BloodedAre vertebrates

The End