D because if the species was to be removed from an ecosystem, everything that needed that species as food, or the species ould have to adapt to the foods available in the new ecosystem they live in. Hope I helped, and let me know if you are still not 100% sure about the answer, and I'll try to clarify what I said.
Answer: Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function.
The nurse should provide clean clothing as an option for the patient, and let them know they are willing to clean their clothes and give them right back. The nurse should assure the patient that she means no harm by taking their clothes; she/he is only going to wash them. They should also deny any delusions about the nurse taking the patient's clothing.
Hope this helps!
Answer: 5' prime and 3' prime
