All living things, except bacteria and archaea, are eukaryotes
a. true
b. false
Answer: a. true
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Which of the following scientists demonstrated
for the first time that molecules of life could have come from nonliving entities (gases, water, and spark discharge)?
a. Crick and Orgel b. Wallace c. Miller and Urey d. Chargaff e. Cuvier and Lyell
What phase does it occur when the # of chromosomes is reduced to half?
What will be an ideal response?
According to one study, the heritability of IQ score in humans has a value of 0.52. What does this tell us about the role of "nature" versus "nurture" in determining intelligence in humans?
A) Intelligence is a qualitative trait, affected by both genetics and the environment, and it can't be predicted by heritability scores. B) Children of highly intelligent parents will likely be very intelligent, regardless of the environment in which they're raised. C) There is an approximately equal chance that children of intelligent parents will be as intelligent as their parents, depending on the environment in which they're raised. D) High heritability values don't mean that the intelligence of children can be accurately predicted because the environment plays a strong role.
Gastropods are the most numerous group of mollusks and include the ________
A) clams and oysters B) snails and slugs C) squid and octopi D) scallops and nautiluses