Describe interactions between organisms within an ecosystem. Give an example of a specific relationship that organisms may have, and how this relationship affects the ecosystem.

The ecosystem is indeed huge, the one who are creating in the ecosystem are animals and plants both are the one who creates the ecosystem.

The interactions that occur between organisms in an ecosystem: Predation, parasitism and herbivory.

Predation - Predating another animal for a prey

E.g : Lions And Antelopes

Paratism - Some small things that lives with the host, it can harm the host or harm the parasite.

E.g: dogs and lice or bacteria and humans

Herbivory - animals that eat plants

e.g: Sheep And the grass

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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.