Examine the phylogenetic tree the organism at point c

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Examine the phylogenetic tree. The organism at point C was ___________.
Based on the following phylogenetic tree, which of the following conclusions are *NOT* correct? Each letter represents a hypothetical species.
Microevolution is to population as macroevolution is to __________.
What type of reproductive isolating mechanism occurs when female fireflies only mate with males who emit light in a particular pattern?
A scientist finds what she thinks is a new species of rodent on a small Pacific island. However, some similar- looking rodents inhabit some nearby islands. She mates the new rodent with the nearby rodents and gets viable but infertile offspring. Why?
After a disastrous blizzard, there was a significant increase in the allele frequency of blue eye color in Husky dogs. The frequency of alleles for brown-eyed dogs was 7.5% and the allele frequency for hazel- eyed dogs was 22.5% of all alleles for the population. What is the allele frequency percentage for the blue-eyed Husky dogs in this population?

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