20. Which of the following best describes the best flow of energy in living things?
a. Chemical Cellular-Radiant
b. Radiant->Chemical Cellular
c. Cellular-Radiant-Chemical
d. Radiant Cellular-Chemical

option b is correct

Explanation:

living things absorbed energy from sun in the form electronegative radiation and convert it into chemical energy in the form of organic compound like carbohydrate protein etc and at the cellular respiration this energy is converted into mechanical energy by the breakdown of this compound

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

make   gliitsh plesea   !