4. Which one of the following is not a simple sugar?
A. Glucose.
B. Galactose.
C. Fructose.
D. Sucrose

Sucrose

Explanation:

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

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)