B. sexual selection, which alters allele frequencies in the gene pool.
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Geographers use maps and data to depict relationships of time, space, and scale. Geographers analyze relationships among and between places to reveal important spatial patterns. Geographers analyze complex issues and relationships with a distinctively spatial perspective.
Explanation:
hope this helps!
Answer:
Pinecrest are a plan and are asexual, meaning they do not need a partner to reproduce. although humans and dogs a sexual reproducers, their DNA structure is different and not compatible with human DNA structure. thats why you can't breed a human and a dog.
Answer:
because blood is pumped out of the heart at greater pressure from these chambers compared to the atria.
