Camouflage is the disguise used by animals to hide from their enemies. Men also use camouflage, particularly in wars. Most animals use camouflage to hide from predators or other animals that prey on them. Camouflaging is done by adopting matching colour to the surroundings, so that one looks like a part of it.
An animal which obtains food by hunting other animals is called a predator.
It is an opposite process of hibernation. Some animals go under the ground during the dry season of summer. In zoology it is a state of inactivity and reduced metabolic activity that occurs during the dry season in species such as lungfish and snails.
Animals and plants which live on the bottom of the sea or lake are called benthos.
Very small plants and animals living in water are called planktons. They are an important source of food for larger water animals.
Parasites are those animals or plants which live on the living plants and in the bodies of living animals. Parasites that live inside the host such as liver flukes and tapeworms are called entroparasites; those that live on exterior, such as fleas and lice are called ectoparasites. They are harmful for the host.
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