Humans share several features with salamanders. Certain genes and proteins are nearly identical between the two species; both species have four limbs with a similar skeletal structure; the species' early embryos are very similar; and where the salamander has a functional tail, humans have a vestigial tailbone. In evolutionary terms, these are examples of
A) biogeographic similarity.
B) homology.
C) independently acquired traits.
D) adaptation by natural selection.
E) coincidental similarity.
Ans: B) homology.
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oocytes remain in meiosis I until ovulation, which could take place many years after birth, making them more susceptible to damage.Fill in the blank(s) with the appropriate word(s).
The dense cytoplasm of the prokaryote contains ribosomes and storage granules
____________________ Indicate whether the statement is true or false.