The evolutionary mechanism of gene flow A. separates the gene pools of two or more groups, typically causing the development of a new species.
B. reduces the gene pools of two or more groups, typically causing the extinction of an existing species.
C. combines the gene pools of two or more groups, typically causing the species' change in allelic frequency.
D. destroys the gene pools of two or more groups, typically causing the extinction of an existing species.

How does a gymnosperm prevent itself from pollinating the same tree

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.