What ecosystems do no have symbiotic relationships.

5) these are organisms where the genetic material is not bound by a nucleus. they are usually unicellular.

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder