Question

How do crocodiles,grass hoppers,leech and fish respire through?

Answer 1

All animals respire through gills but grasshopper is not

Answer 2

Hay friend!

Crocodiles respire through lungs rather than gills .The can hold their bteadth under the water for about 2 hours .

Grass hoppers respire through Tracheae .
Leeches respire through body walls .

And Fishes respire through their gills .

Hope it helps you !