REPRODUCTION
CLASSIFICATION
DEPENDING ON REPRODUCTION
Depending on how
animals can reproduce can be:
Oviparous are animals that lay eggs.
Viviparous are animals that give birth.
VERTEBRATES/ INVERTEBRATES
VERTEBRATES Animals with backbone are called vertebrates. All vertebrates have an internal skeleton that is made up of many bones. Some vertebrates are viviparous, like dogs and human beings. Other vertebrates such as frogs, birds and lizards are oviparous. Nearly all vertebrates have limbs such as feet, wings and fins. The main set of bones are joined together making up the spinal column or backbone. Commonly the bodies of vertebrates can be split into head, body and limbs. The internal skeleton supports the body by helping it to move and stay upright. We can classify the vertebrates in five groups: Mammals Birds Reptiles Amphibians ...
Comentarios
Publicar un comentario