Answer:
This question has little context, but I understand what you are trying to say.
The reason why dark moths survived while light moths weren't able to survive is due to the dark moths having conditions that allowed them to camouflage better than the light moths. An environmental condition that would allow this would be the dark moths and the light moths living in the same dark environment.
Explanation:
Stigma, Stamen, Anthers, Ovary
Answer:
(A) Organisms within a population compete with each other to survive.
Explanation:
The male oryx are fighting with their horns to probably compete with each other for maybe who gets to graze in a certain part of the forest or gets to mate with a female.
They are sandwiched between two layers of heads. Recall that the heads are hydrophilic therefore they will always be on the outside and the tails are hydrophobi therefore they willl always be away from water, there fore sandwiched. I'm a bio major, hope I helped :)