The function of a cell membrane is to protect the structures within the cell, give shape to the cell and support its structure.
Answer:
Add Compost. Compost is decomposed organic matter, and it is the best thing you use to improve the health of garden soil.
Get a Soil Test.
Mulch the Soil Surface.
Prevent Soil Compaction.
Rotate Crops Each Year.
Grow Cover Crops.
Add Aged Animal Manure.
Explanation: Soil fertility is the ability of soil to sustain plant growth and optimize crop yield. This can be enhanced through organic and inorganic fertilizers to the soil. Nuclear techniques provide data that enhances soil fertility and crop production while minimizing the environmental impact.
I think if the whale population decreased the surface fish populations would decline due to reduced populations of algae. This can be simply explained by the fact that, if the whale population is decreased, it means that the nitrogen rich feces that is supply nutrients to the algae would also decrease and therefore decrease the population of the algae and as a result the population of of the surface fish would also decline.