Unit I

1. - depend on others for nourishment.
5. community - The living organisms
6. biome - the polar region which is characterized by the absence of trees.
8. energy - The interaction is conducted by energy flow
9. - the sum total of all conditions and influences that affect the development.
11. compound - proteins, carbohydrates, humic substances
14. biome - type of grassland occurs where there is about 25 to 75 cm of rainfall per year.
15. media - environmental awareness can be spread among masses through mass media.
17. - means environment.
18. resources - their conservation and management ecology and biodiversity.

2. consultancy - for systematically studying and duckling environment related problems
3. - means house
4. biome - the tropical grasslands with scattered drought resistant trees.
5. - very large land community unit.
7. Advocacy - emphasis on implementing various acts and laws related to environment.
10. rainforest - is the habitat of numerous vertebrate and invertebrate animals.
12. substances - carbon nitrogen, carbon dioxide, water, etc.
13. biome - these occur near the equator and offer the most diverse communities on earth.
15. Marketing - ensuring the quality of products with ISO mark.
16. studies - it encompasses a large number of areas and aspects.