BIOXI04: ANIMAL KINGDOM
332340
Crocodile, fish and frog, on one hand and squirrel and crows on the other differ in the following.
1 The former are oviparous the latter are viviparous
2 The former have four appendages, the latter have only two
3 The body temperature of the former changes with environmental temperature, the temperature of the latter remains more or less constant
4 The former undergo metamorphosis, the latter do not
Explanation:
Crocodile(reptile), Fish (Pisces) and frog (amphibia) are poikilothermic, their body temperature changes according to the environment.