a) Using the terms, complete the following Paragraph: ATP, cellular respiration, photosynthesis, energy, plants, chemical


Living things require …….to grow, reproduce and perform metabolic processes. Green -------- can capture solar energy by the process of --------. The food from plants has stored……..energy. Through the process of -------, the food is broken down to produce ………. which is an energy molecule.


b) Consider the food chain below:


grass---->rabbit----> snake----> lion


1. How many trophic levels are in the food chain?


2. what organism in the above food chain is the producer?

3. What organism in the above food chain is the tertiary consumer?


4. What organism in the above food chain is the primary consumer?


5. If producers were absent, will the ecosystem still exist? Explain your answer.


6. How many percent of energy is transferred from one trophic level to the next?