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What are two major types of eco-systems of the earth ?

Ecosystems are of two major types:
1. Terrestrial
2. Aquatic.

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What type of fauna is found in the estuaries ?

What term is used for process of energy transfer from one trophic level to another ?

Write F for false and T for true against each of the following statement:

A.

Eco-system is a system which comprises the physical environment and organisms which live therein.

B.

Producers do not produce their own food.

C.

Consumers depend on other organisms for their food.

D.

A Herbivore does not depend on plant.

E.

A carnivore feeds on animals.

What is the limit of the neritic zones in the oceans ?