How many groups of living vertebrates are there in the earth
Most of us (human beings) are going to change into invertebrates day by day, are not they? Because I seem them losing their honesty and courage.
Knowledgiate Team edited question
I can get 5 groups of vertebrates-
- Fish –>Salmon fish
- Reptile –>Crocodile or Snakes
- Amphibian –> Frog
- Bird –> Cock, hen
- Mammal –> Human, animals
I cannot go further, please you say if you can add another group.
Knowledgiate Team edited answer
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