Homeobox genes are associated with all of the following except:
a. they vary greatly from species to species.
b. they are highly conserved and maintained over evolutionary history.
c. there are several different kinds of homeobox genes.
d. they are a type of regulatory gene.
e. they interact with other types of genes to determine characteristics.
a
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As discussed in the text, long-term continental drift had significant evolutionary ramifications because
a. groups of animals were no longer isolated from each other by oceans. b. the distribution of mammals and other land vertebrates were unaffected. c. geological activities induced volcanic activities which decimated populations of placental mammals. d. groups of animals were isolated from each other by oceans. e. scientists can map the changes that occurred.
Both religion and magic
a. are nonrational systems of supernatural belief. b. deal with one’s spiritual relationship with deities. c. are group, rather than individual, activities. d. are susceptible to scientific verification. e. are practiced irregularly and not at set times.
In "Mixed Blood," Fish argues that human biological races do not exist because
a. people from anywhere on the planet can mate with others from anywhere else and produce fertile offspring. b. scientists have ignored important physical traits such as body shape. c. people find it politically incorrect to name them. d. the real traits that indicate genetic groupings cannot be observed.
According to the Economics of Immigration lecture, undocumented immigrants pay taxes and contribute a lot to social security and medicare programs through payroll taxes
a. true b. false