Specialized cells are grouped into structures known as?

Tissues.

Explanation:

Tissues are the structures formed when some cells specialized to perform specific functions are grouped together. For example, the cells specialized to cover the body surface and line the cavities of internal organs together make the epithelial tissues. Likewise, the cells that are specialized to store the fat in the form of droplets from adipose tissues.

what is shown in the image?

eukaryote

chloroplast

mitochondrion

submitted

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.