Question 3 of 30
1 point
in the phylogenetic tree shown here, which of the following loci represents an
ancestor shared by species 1 and 2 but not by species 3?
species 1 species 2 species 3 species 4
phylogenetic tre
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The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

In the practice of science, this type of reasoning is used to develop explanations.