530 likes | 704 Views
Animals. An invertebrate is an animal without backbone. Prawn. Centipede. Millipede. A vertebrate is an animal with backbone. Fish. Have fins Lay eggs in water Use gills for breathing Cold blooded Live in the water . Tuna. Mackerels. Catfish . Giant catfish. Nemo fish.
E N D
Animals An invertebrate is an animalwithout backbone.
Fish • Have fins • Lay eggs in water • Use gills for breathing • Cold blooded • Live in the water
Amphibians • A cold-blooded, smooth-skinned vertebrate. • They can live both on land and in water. • They lay eggs in the water .
Frogs lives as eggs. They hatch out as tadpoles which breath through gills. • As they grow, they develop lungs and legs, and are able to live in the water and walk on land.
Reptiles • They have scaly skin. • They lay egg on the land. • They have three-chambered hearts (except for alligators and crocodiles, which have four-chambered hearts). • They have claws on their toes.
Birds • Their skin is covered with feathers. • They have four-chambered hearts. • Their bones are lightweight and usually hollow. • They have two wings. • They lay eggs on the nest.
Mammals • They have hair or fur . • Most have sweatglands. • They have mammary glands.