Answer:
Phenotypic changes:
When Rhodobacter is cultured in total darkness for multiple generations, the ability to produce it's own photopigment reduces with time with little or no ability to undergo its own photosynthesis due to absence of enzymes or pigment for photosynthesis.
It becomes expensive for the Rhodobacter to undergo photosynthesis. This allows mutants that can grow in the dark to take over from the culture grown in the dark.
Evolutionary processes:
It's natural selection that allows the fittest organism to survive. As in the case of the mutants
Answer:

Pink Flower ↔ Pink Flower
.............RW x RW................
..........RR..RW..WR...WW....
RR → 25%
RW → 50%
WW → 25%
<span>The annex is followed for better understanding
</span>
Fungi were classified in the kingdom Plantae because they are
sedentary. I am hoping that this answer has satisfied your query
and it will be able to help you in your endeavor, and if you would like, feel
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Explanation:
Biotic factors such as the presence of autotrophs or self-nourishing organisms such as plants, and the diversity of consumers also affect an entire ecosystem. Abiotic factors affect the ability of organisms to survive and reproduce. Abiotic limiting factors restrict the growth of populations.