The LEAST most parsimonious explanation for the existence of beaks in birds is that
a. they arose once in a common ancestor of beaked groups.
b. they arose multiple times in different bird lineages.
c. they are a product of convergent evolution among birds.
d. they are not a genetically determined trait, and thus independent characters.
e. they arose one time in one bird lineage
E
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The limbic system influences emotional aspects of behavior
____________________ Indicate whether the statement is true or false.
The human genome contains 46 chromosomes. There are 22 pairs of ________ (type of chromosome) and one pair of ________ (type of chromosome)
Fill in the blank(s) with correct word
Why does a typical fish die quickly when it is removed from water?
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