One widely used cladistic method of examining evolutionary relationships is ________, which is based on the assumption that evolution is most likely to have proceeded by the path requiring fewest changes
A) topology
B) neighbor joining
C) parsimony
D) systematics
Answer: C
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Which connective tissue lacks fibroblasts, or a true matrix, and contains few fibers?
a. muscle b. blood c. adipose d. bone
You suspect that your roommate may be abusing drugs. He exhibits the following symptoms: aggressiveness, bursts of extreme energy followed by "crash" periods, and delusions. Which drug may be responsible?
A) amphetamines B) LSD C) marijuana D) heroin
Darwin's theory of evolution was based on his observations during his voyage to Asia
Indicate whether the statement is true or false
Male peacocks with larger eyespots are more attractive to females than males with smaller eyespots
The two figures below show mean weight (at a certain age) and percent survival of offspring as a function of the father's eyespot size. Are these results consistent with the hypothesis that eyespots are an "honest signal?" Justify your answer. What will be an ideal response?