In the 1950s, experiments on rats seemed to suggest that eating behaviour is controlled by two different regions of the hypothalamus:
What will be an ideal response?
(1) satiety by the ventromedial hypothalamus (VMH) and;
(2) feeding by the lateral hypothalamus (LH)
>theory turned out to be wrong, but it stimulated several important discoveries!
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A variety of finch species within the Hawaiian Islands have acquired different types of beaks needed for utilizing specific food resources. The process by which these different species of finches came about is likely to have involved
A. natural selection. B. evolution. C. an accumulation of harmful genetic mutations. D. both natural selection and evolution. E. None of these choices are correct.
Why did the scientists assume the plants and
animals they encountered in the cloud forest on top of New Guinea’s Foja Mountains had never been encountered by other humans before?
a. these species were unknown to even the native peoples b. the animals were unafraid of humans c. they found some species that were thought to have been extinct for decades d. none of these answers are correct e. all of these answers are correct except d
Pseudomonas aeruginosa is resistant to many Antimicrobics
a. true b. false
Which of the following is not an example of a detritivore?
A. arthropods B. worms C. fungi D. vultures