An animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals.
You will also like...
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..