In mature plant cells, 90% or more of the volume may be occupied by the
a. hyaloplasmb. ergastoplasmc. central vacuoled. all of the above

option=>c

Explanation:The central vacuole in most mature plant cells occupies a large portion of the total volume of the cell ( up to 90%). The vacuoles are enclosed by a membrane known as tonoplast and consists of cell sap which is a solution of salts, sugars and organic acids.

the answer for this question would be d. glaciers

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)