A, it takes years upon years for a glacier to move even a few feet.
Answer:
Secondary succession has happened.
Explanation:
secondary succession is the ecological succession that occurs after the initial succession has been disrupted and some plants and animals still exist. It is usually faster than primary succession
Answer
They have polygenic inheritance and are also affected by the environment factor.
Explanation
The trait of height and skin tone are controlled by different genes and are also affected by environmental factors. The skin tone and height within the population is not specific, both have wide ranges varies from high expression of the gene to less or even no expression of the gene. Mostly these factors are mostly affected by inheritance and less by environmental factors.
Answer:
Mutation- A change in genetic structure of a organism is called as mutation.
It can be inherited to offspring if it is <em>germline or germinal mutation</em> , <em>mutation that occurs in germ cells like sperm and ovum.</em>
Explanation:
Each of the genes of a child is the copy of his parents, one from mother and one from father. Any kind of changes or mutation in any genes of them can be inherited to child
<em>Mutations caused by environmental factors can not transferred to next generation. Mutation caused by UV radiation, smoking, sunlight are non inheritable..</em>