the answer is D) natural selection
They are among the first
colonizers of an environment. This way they break down rocks and make nutrients available for other plants. They help in retention
of water in a habitat and also shelter many microorganisms.
They also decompose organic matter hence play an
important role in the cycling of nutrient in the environment.
Answer:
Dominant is the regular colored skin or melanin, and the recessive is albinism
