A Group | B Group |
(a) Amphibian | (3) A Frog |
(b) Vertebrate | (1)A Monkey |
(c) With scales | (2) A Snake |
Frogs belong to a group of animals called amphibians. Amphibian means two lives. Frogs begin their lives in the water as eggs and then tadpoles and when they are fully developed they live on land. Vertebrates possess spinal cord surrounded by bones which monkey does, whereas Invertebrate does not possess spinal cord and starfish is one of them.Snake scales are formed by the differentiation of the snake's underlying skin or epidermis.