Question

NU) Which are the two major components of biotic environment?
(vi) What is biosphere?
2. Tiek the correet answer.
which is not a natural ecosystem?
(a) Desert
(b) Aquarium
(c) Forest
w Which is not a component of human environment?
(a) Land
(b) Religion
(c) Community
(11) Which is a human made environment?
(a) Mountain
(b) Sea
(c) Road
iv) Which is a threat to environment?
(a) Growing plant
(b) Growing population
(c) Growing crops
3. Match the following.
(1) Biosphere (a) blanket of air which surrounds the earth
(ii) Atmosphere (b) domain of water
(11) Hydrosphere (c) gravitational force of the earth
(iv) Environment (d) our surroundings
(e) narrow zone where land water and air interact
(1) relation between the organisms and their surroundings
Give reasons.
(i) Man modifies his environment
(ii) Plants and animals depend on each other
Activity.​

Answer 1

Explanation:

1) Aquarium

2) Community

3) Road

4) Growing population

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Answer 2

Explanation:

vi)the regions of the surface and atmosphere of the earth or another planet          occupied by living organisms.

2)Aquarium

3)Land

11)Road

iv)growing population

3)The matching pairs are:

(1)-e

(2)-c

(3)-b

(4)-d

(1)-organisms live & adapt to their surroundings.

(i)man is currently modifying his environment because he needs it to be comfortable and peaceful to live in it.

(ii)this is because animals depend on plants for food and oxygen whereas plants require animals to carry out processes like pollination.