Movable bones are features of the sense organs
associated with
a. sight.
b. hearing.
c. taste.
d. smell.
e. touch.
Answer: b
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Fly species W, found in a certain part of the island, produces fertile offspring with species Y. Species W does not produce fertile offspring with species X or Z. If no other species can hybridize, then which of the following statements about species W
and Y are true? I) Species W and Y have genomes that are still similar enough for successful meiosis to occur in hybrid flies. II) Species W and Y have more genetic similarity with each other than either did with the other two species. III) Species W and Y may fuse into a single species if their hybrids remain fertile over the course of many generations. A) Only I is correct. B) Only II is correct. C) Only III is correct. D) I, II, and III are correct.
________ technology can be used to simultaneously monitor the level of expression of every gene in a cell.
What will be an ideal response?
Regions on a plant stem that can give rise to new shoots or roots are known as ____
a. bundles b. internodes c. flowers d. cotyledons e. nodes
Which of the following is a characteristic of a population at Hardy-Weinberg equilibrium?
A) The population is subject to natural selection. B) The population is not evolving. C) Genetic drift is occurring. D) Gene flow in and out of the population occurs.