Answer:
an aquatic ecosystem is an ecosystem in the body of water examples are marine ecosystem and fresh water ecosystem
Answer:
The scientific method involves deriving hypotheses from theories and then testing those hypotheses. If the results are consistent with the theory, then the theory is supported. If the results are not consistent, then the theory should be modified and new hypotheses will be generated.
Prokaryotic cells are simple, ancient cells without a nucleus. Eukaryotic cells are more complex and have a nucleus.
