Across
- 4. the amount of nutrients in the soil goes on __________ .
- 5. the balance , ,4)photosynthesis helps to ------------ between oxygen and carbon dioxide
- 8. organisms that directly or indirectly depend on green plants of nutrition are called _______ .
- 9. the synthesis of food occurs in the presence of sunlight it is called_________ .
Down
- 1. these nutrients get naturally replenished by _______ of dead plants and animals.
- 2. pitcher plant,venus flytrap,darlingtonia californica are examples of _________ .
- 3. the energy from food obtained by two processes _____________ .
- 6. the process taking i food by an organism and its utilization by the body is called__________ .
- 7. farmers add fertilizers rich in ________ to the . these are absorbed by plants .