The thicker and darker the glass, the less light that is transmitted.
Answer:
It could be separated into a group of full black plumage on the bakc, and mixed color on the back.
Answer: Composition maybe?
Explanation:
The founder effect<span> occurs when a portion of the </span>population<span> (i.e. "founders") separates from the old </span>population<span> to start a new </span>population<span> with different allele frequencies. </span>Small populations<span> are </span>more<span> susceptible </span>genetic drift<span> than large</span>populations<span>, whose larger numbers can buffer the </span>population<span> against chance events.
i hope this helped u
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