MULTIPLE CHOICE QUESTION Which of the following are examples of
ecosystems (choose all that apply)?
Ocean
River
Desert
Forest

All of the above

Explanation:

The definition of ecosystem is "a biological community of interacting organisms and their physical environment." and all four of the answers fit the bill.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.