<span>In order to properly dispose of plastic trash while boating you must wait until you are once again ashore, and then dispose of the trash properly.</span>
Answer:
Hydra
Explanation:
The mode of nutrition being described in this question is EXTRACELLULAR DIGESTION, in which a food substance is chemically broken down externally. The organisms being portrayed is HYDRA. Hydra is an animal that secretes digestive enzymes that work on the food extracellularly (outside the organism), then absorb the digested food.
Therefore, the organism X observed by the scientist whose mode of nutrition is to secrete enzymes outside its body and digests food with these enzymes, then absorbs the digested food is the HYDRA.
The Arctic fox would either go extinct or it would adapt to seek out new sources of food. These could be the chicks of seabird colonies or walrus/seal pups. It could also adapt to feed on the young of its competitors. Another feeding adaptation would be to scavenge for dead animals or the kills of other predators. Thess adaptions might require behavioural and/or physical changes to be evolved.
NADH FADH2 and finally Oxygen which is not technically used in transfer, but it is the last electron acceptor at the electron transport chain.<span />