Carbon is the basis of all life and is constantly being cycled through ecosystems. in which form is carbon passed along from plants to animals?

Carbon compounds plants passing in the form of carbohydrates, protein, and lipids along the food chains to the animals.

Explanation:

In the food chain, plants produce glucose as food and cellulose for their cell wall. Animals eat plants for their food. So through the food chain, carbon presents in plants move to animals in the form of lipids, proteins, and carbohydrates mainly.

it takes hundreds of years to become stable.

if you have another question lmk.

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.