A marine fish with a cold body temperature that matches its cold surroundings is an example of

A. regulating.
B. conforming.
C. conditioning.
D. negative feedback.


Answer: B

Biology & Microbiology

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Earthworms, grasshoppers, and birds all have an expanded region of the gut associated with the temporary storage of food, which is called the _____

A) gastric cecae B) larynx C) crop D) pharynx E) epiglottis

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Gravity-sensing mechanisms of many

organisms are based on a. spicules. b. statoliths. c. uric acid crystals. d. sclereids. e. nematocysts

Biology & Microbiology

Small, nonterritorial male marine iguanas typically have their mating interrupted by larger males prior to ejaculation. What alternative mating strategy have these small males developed to compensate for this?

A) Small males form coalitions and distract larger males to allow enough time for copulation. B) Small males induce ejaculation prior to copulation, and store the ejaculate in their cloacal pouches. C) Small males have developed the ability to induce ejaculation much more quickly than large males. D) Small males have developed sperm that are more efficient at fertilization than the sperm of larger males.

Biology & Microbiology

Studying pedigrees enables human geneticists to predict how traits that are determined by phenotype

are inherited. _________________ Indicate whether the statement is true or false.

Biology & Microbiology