Answer:
interaction between two different organisms living in close physical association, typically to the advantage of both.Compare with antibiosis.
a mutually beneficial relationship between different people or groups.
Explanation:
The answer to this question is
B: the theory of evolution
I hyope this is correct and helps
<span>Well active transport absolutely moves substances against their concentration gradient (answer C), although I dislike how the other answers could probably be argued for. This seems to be a case of pick the "best" answer</span>
Answer:
Brain structures called the hypothalamus and pituitary gland control the menstrual cycle.
Explanation:
Answer:
sunlight, water, and oxygen
Explanation:
plants use sunlight, water, and oxygen to create sugar during photosynthesis
