Answer:
There is little to no sunlight in the aphotic zone.
Explanation:
The aphotic zone is the deepest part of a lake/ocean, so no light is able to penetrate into those depths. Without light, photosynthetic organisms will not be able to undergo photosynthesis and will therefore not be able to survive.
Biotic factors of an ecosystem are all the living organisms that affect other organisms in an ecosystem and include animals, plants, microorganisms, dead organisms, and even animal waste. Example of biotic factors include: Grass as producers (autotrophs).
Answer:
B I think
Explanation:
there are 2 directions and in each direction there are 2 working in it
Answer:
C
Explanation:
discharging trash into lakes and rivers create pollution
Adaptation? Their size plays a role in this, and size is sometimes an adaptation.