Answer: Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. ... Directional selection does the “heavy lifting” of evolution by tending to move the trait mean toward the optimum for the environment.
Answer:
C. Stream
Explanation:
I did it on Edgnuity, and also streams are murky.
The answer is none of the above
Photosynthesis intakes oxygen, so higher oxygen production = more photosynthesis and vice versa
Develop hypothesis. You need something to test, and you need to prove what you think is going to happen, in order for that to happen you need to come up with what you think is going to happen based on your previous experience ect.<span />