Habitat And Ecosystem

Science notes for class 2D CHAPTER 4

Ecosystem

INTERDEPENDENCE AMONG LIVING ORGANISMS AND THE ENVIRONMENT

1. An ecosystem is a system formed by the interaction of living organisms and their environment.

B) HABITAT AND ECOSYTEM

2. An ecosystem consists of the physical factors and biological factors.

Habitat

3. The physical factors of ecosystem include

1.

A habitat is a natural place in which organisms live

2. Provides organism living with

a. Air b. Water c. Soil

a. Food

d. Temperature

b. Water

e. Light

c. Air d. Suitable temperature

f.

minerals

4. The biological factors include

e. protection

a. Animals Organism snakes sparrows Tadpoles Crocodiles Coconut trees

Habitat Bushes Trees Ponds Rivers Sea-shores

b. Plants 5. There are different type of ecosystem such a. Jungle b. Desert c. Tundra region

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Science notes for class 2D d. Sea e. Paddy field f.

river

6. An ecosystem can provide different habitats such as a. Tall trees b. Damp soil c. Thick bushes d. Ponds e. Swamps f.

rocks

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