The state, which have all the three species of crocodile and started saving crocodile project is

The chart shows the classification of two species of crocodile. To which order do these crocodiles belong?

In which of the following species, all the three types of hybrid carbons are present ?

In which of the following species, all the three types of hybrid carbons are present ?

State the species having one electron.

Reptiles have four chambered heart except crocodiles.

To which group does crocodile belong ?