The inner layer of skin that contains blood vessels, nerves, sweat glands, oil glands, and hair follicles is called the ________
A) hypodermis B) dermis C) epidermis D) melanin
Answer: B
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Sympatric species are
A. more likely than allopatric species to display character displacement. B. always show character displacement. C. less likely than allopatric species to display character displacement. D. unlikely to be competing. E. more likely than allopatric species to display character displacement, less likely than allopatric species to display character displacement, and unlikely to be competing.
The genotype AA is referred to as
a. heterozygous. b. hybrid. c. homozygous recessive. d. homozygous dominant. e. codominant.
Which one of the following food contaminations is best prevented by cooking to safe temperatures?
A) Botulism B) E. coli C) Spoilage D) Acidophilus
Does the ability to disperse over long distances lower a species' chance of extinction?
a. Yes, as data on Cretaceous gastropods show that species with higher dispersal ability have lower extinction rates. b. No, there is no relationship between a species' dispersal ability and its range. c. Not necessarily, this is only the case if species range correlates positively with dispersal abil-ity. d. No, in Cretaceous gastropods species with long range dispersal have an increased chance of extinction.