Question

Q1. Define :

(a) Ecosystem

(b) Environment

(c) Ecology

Q2. Name some organisms responsible for cleaning the environment.

Q3. Draw classification chart of Ecosystem.

Q4. Which plant is cultivated in states of South India?

Q5. Answer the following question on the basis of given information :

 If frog population declines all of a sudden :

(a) What will be the effect on paddy crop?

(b) Numbers of which consumers will decline and which will increase?

(c)

What will be overall effect on that ecosystem?​

Answer 1

Ecosystem:-

ecosystem consists of a community of organisms together with their physical environment. Ecosystems can be of different sizes and can be marine, aquatic, or terrestrial. ... In ecosystems, both matter and energy are conserved. Energy flows through the system—usually from light to heat—while matter is recycled.

Environment:-

The immediate natural surroundings of man is called environment. E.g.: Plants, Air, Water, Landforms, Wildlife, etc....... The word Environment has been derived from a French word "Environner" which means "Neighborhood

Ecology:-

Ecology is the branch of biology that studies how organisms interact with their environment and other organisms. Every organism experiences complex relationships with other organisms of its species, and organisms of different species.

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