Question

explain how animals in vertebrata are classified into further subgroups​

Answer 1

Answer:

The vertebrates are further classified into subgroups on the basis of server characters such as: -

The kind of exoskeleton or endoskeleton.

1) Pisces (fishes)- Exoskeleton of scales; two-chambered heart; breathing through gills.

1) Pisces (fishes)- Exoskeleton of scales; two-chambered heart; breathing through gills. 2) Amphibia – Three chambered heart; breathing through gills only in larva; skin slimy.

Answer 2

Answer:

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