economic importance of wild life - i plants

Question

ECONOMIC IMPORTANCE OF WILD LIFE -

(i) Plants -

1. Produce food.
2. Provide Timber, paper, gums, drugs, pigments, fibres, rubber, oils, condiments & fuel.
3. Release O₂.
4. Decorate our land scapes and provide pleasing greenery.

(ii) Animals -

1. Earthworms & other burrowing animals make soil porous to facilitate plant growth.
2. Animals enrich the soil with their excreta.
3. Help in pollination and dispersal.
4. Provide CO₂ for photosynthesis.
5. Provide food, fur, wool, silk, leather, musk, ivory, horns, honey, lac, hair, feathers & pearl.
6. Some acts as scavanger.
7. Used for transport and in agriculture operation.
8. Some pay a roles in biological control of pests.

(iii) Micro organisms -

1. Act as decomposers.
2. Fix N₂.
3. Help in digestion of cellulose.
4. Used in industries producing alcohol, acetone, vinegar, methane, vitamins & antibiotic.