Across
- 4. Flow of energy in an ecosystem is always
- 5. Who are classified into herbivores, carnivores, omnivores and parasites
- 6. In an ecosystem, herbivores represent which consumers
- 8. Which chemical cause depletion of ozone layer
- 9. Who occupies the third trophic level in food chain
- 10. An autotroph
- 11. The range of different life forms is a criteria used to measure ______ of an area
Down
- 1. Excessive exposure to UV rays causes
- 2. An abiotic component of ecosystem
- 3. Trophic level in an ecosystem represents which level
- 7. Burning of waste substances usually at a high temperature of over 1000'c to convert them into ashes is called