All the following traits are variable in humans except
A) hair color.
B) number of fingers.
C) length of right index finger.
D) length of neck.
Correct Answer:
Verified
Q13: A population of bats evolves because organisms
Q14: The work of _ finally convinced the
Q15: The number of arms humans have is
A)heritable
Q16: Which of the following statements about peppered
Q17: Humans are
A)heterotrophs.
B)autotrophs.
C)chemoautotrophs.
D)archaeans.
Q19: The cyanobacteria were
A)chemoautotrophs.
B)responsible for introducing substantial amounts
Q20: Natural selection may favor traits that help
Q21: When a donkey mates with a horse,
Q22: What are three different hypotheses for how
Q23: How do vestigial organs provide evidence of
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