The answer is D.) Some environmental change has happened that favors the red flowers. The reason is, this is the most logical answer, the other are close, but D.) makes the most sense.
D. Some environmental change has happened that favors the red flowers.
Explanation:
According to the given information, the original Phlox population had equal proportions of white, pink, and red flowers. During the study time, some changes in environmental conditions led to increase in survival and reproductive fitness of red flowers over the other two colors of the flower. Natural selection favored the red flowers which in turn led to their increase in the population.
Answer: Selectively permeable means a membrane allows the passage of some molecules or ions and inhibits the passage of others. The capacity to filter molecular transport in this manner is called selective permeability.
Explanation:
Shortened: This means the membrane only allows some things to pass through while others can't.
Explanation: A stream terrace basically forms through this process– Temporary base level is eliminated; the stream downcuts upstream from the old temporary base level, and the former floodplain is left well above the present elevation of the stream.
