Environmental balance

For Class 5 (Maharashtra Board)

1. Environmental balance

2. Biodiversity

Variety of living things.

Obervations in different seasons

Liring things that are found on mountain, in water,
microorganisms.

Scientists studied the variety over a long period.

3. Environment

Sunlight,air,water,soil,plants and animals are
included

Many components in the surroundings

Living nonliving things dependent on each other

Study of interaction between them.

4. Food
Chain

Several links in a chain

If any link is loose chain brakes

Sunlight – plants –food-worm eats-grasshopper eats
worm-birds-eats grasshoppers

For food all living things are dependent on each
other

Each component of food chain is a link

5. Food Web

One living thing can be a part of a number of food
chain

This gives rise to food web in nature

6. Plants – infortant food

Living things gets food from environment,nature

With help of water,air and in presence of sunlight
plants make food

Plants are eaten by the animals

Animals eat Food Sunlight
Air
Water

7. Enviromental
balance

Micro organisms helps the process of
decomposition of plant resideue dead animals

Helps the growth of plants to make food

Again plant residuce animal dead which gets
decomposed in soil

Important cycle in environment.