9. Match the organelle below to its function by typing the appropriate letter next to it. 1.
Mitochondria
a. Surrounds the cell and lets materials into and out of the cell
2.
Cytoplasm
b. Breaks down sugars to release energy
3.
Cell membrane
c. The control center of the cell, containing DNA and genetic material
4.
Nucleus
d. Jelly like substance that fills each cell

1) Mitochondria - b) Breaks down sugars to release energy.

2) Cytoplasm - d) Jelly like substance that fills each cell.

3) Cell Membrane - a) Surrounds the cell and lets materials into and out of the cell.

4) Nucleus - c) The control center of the cell, containing DNA and genetic material.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.