Answer:
a
Explanation:
Remember, a biotic factors are those that are living (having life in them), while the abiotic factors are not living organisms.
Oxygen is in the category of biotic and it interacts with the atmosphere (space) which is abiotic.
This dandelion siphonophore is the first we observed on this expedition. Found at approximately 2,530 meters (8,300 feet) depth, we were able to see the feeding tentacles extended around the animal like a spider web as well as the pulsating nectophores, found just below and around the “float,” which helped to keep the central body suspended.
On the rare occasions we encounter these invertebrates, they appear from a distance as a pulsating, faintly glowing, orange-yellow ball that seems to hover just above the bottom
Answer:
The answer is D Each part is connected to all the others
Explanation:
While each part is different they interact with eachother to exchange matter and make life possible :) Hope this helps!