frederick wanted to findout what soil works best for growing roses. he greq them in potting soil, clay, sand, he found outside his yard. After one week, he measured their height and how many leavesthey had. what is the independent, dependent, control and constant?

Independent Variable: type of soil

Dependent Variable: height of the growing roses

Control: Idk

Constants The rose

Explanation:

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)

correct answer is a. and d.