Over time, the movement of people on Earth has steadily increased. This has altered the course of human evolution by increasing _____
A) nonrandom mating
B) geographic isolation
C) genetic drift
D) gene flow
D
Biology & Microbiology
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The red algae are classified as
a. rhodophytes. b. chlorophytes. c. phaeophytes. d. bryophytes. e. pterophytes
Biology & Microbiology
With almost no exceptions, the nitrogen fixers are
A. beans. B. green plants. C. insects. D. mammals. E. prokaryotes.
Biology & Microbiology
This technique has thousands of DNA sequences on a slide and is used to determine which are active at the time
A) microarray B) PCR C) recombinant DNA D) translation
Biology & Microbiology
Which of the following features is not one of the key features that led to the success of the arthropods?
A. exoskeleton B. contain a variety of respiratory organs C. brain and a ventral nerve cord D. segmented body E. All are features that made arthropods successful.
Biology & Microbiology