The animal which lives in polar regions is :

Animals whose bodies are made of two layers are also called :

An animal that is active during night time is :

A binomial scientific name contains :

When a pin is prick into your hand, what is the response ?

Multicellular organisms with pores are called :

Sweating is a part of :

Fish absorb oxygen through :

The weight of a blue whale is :

The cells which pass the instructions from brain to different parts of the body are called :