Which structure forms the roof of the midbrain where visual and auditory signals are integrated?
a. ventricles
b. meninges
c. tectum
d. olfactory and optic bulbs
e. pineal gland
C
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You awaken to find yourself lying on the bare ground, dirty and injured. In the dim light, you can make out wreckage around you and surmise that you have survived a plane crash. Over the next few days, you wander the hot, humid area and find an amazing number of different plant and insect species. You are able to trap and eat several rodent size mammals, but do not see any larger mammals. Into what biome did your plane crash?
A. Tropical grassland B. Taiga C. Temperate rain forest D. High desert E. Tropical rain forest
In autosomal dominant inheritance, ____
a. the trait often skips generations b. about one-fourth of the progeny in a pedigree will show the trait c. two affected individuals may have unaffected children d. males are more affected than females e. the aa phenotype will be affected
Animals with chemical defenses are also typically:a
fast runners. b. aposematic. c. small in size. d. large in size. e. camouflaged.
A microbiologist inoculates Staphylococcus epidermidis and Escherichia coli into a culture medium. Following incubation, only the E. coli grows in the culture. What is the most likely explanation?
A. The culture medium must be differential. B. The microbiologist used too much inoculum. C. The culture is contaminated. D. The culture medium must be selective. E. The incubation temperature was incorrect.