Answer:
A) Biotic
Explanation:
It's definitely not abiotic and nonliving because they are living and who would categorized 'excretions of living organism' "living".
Asexual reproduction involves one parent and produces offspring that are genetically identical to each other and to the parent. Sexual reproduction involves two parents and produces offspring that are genetically unique.
The independent variable is the water temperature because it is not dependent on the change of another variable so the answer would be D
Answer:
survive
better adapted to the environment allows organism the live and surviv more likely.