In considering possible ancestors to the genus Homo, a good ancestor would NOT have which trait?
a. be highly specialized
b. be less derived than potential descendants
c. exist substantially earlier than descendant groups
d. have characteristics that will develop further in descendant groups
Answer a
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Recent studies show that DDT is harmless for bird species
Indicate whether the statement is true or false
Since the 1970s, which is NOT a trend in the commercial theatres of the US?
a. rising ticket prices b. rising production costs c. more non-musical plays on Broadway d. more long runs e. more conservative repertories
The average American uses an estimated______ times the resources consumed by the average resident of Bangladesh
a. 400 b. 200 c. 40 d. 20 e. 4,000
The theory of uniformitarianism argued that:
a. changes on Earth are caused by gradual processes over time. b. all life forms came from a single-celled organism. c. change has occurred quickly and catastrophically to all life forms and physical substances. d. both physical Earth and all its lifeforms were created by God and exist exactly as they were formed. e. mutation occurred at regular intervals and could account for the diversity that exists today.