Briefly discuss behavioral mechanisms that ectotherms can use to regulate their body temperature. What will be an ideal response?


Behavioral mechanisms include burrowing in the soil at night, basking in the sun during the
day, orienting one’s body to absorb (or not) the sun’s rays, migrating to a different climate,
and hibernation

Biology & Microbiology

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Which of the following uses its cell wall glycolipids to absorb hydroxyl radicals and superoxide anions?

A) Staphylococcus aureus B) Streptococcus pyogenes C) Mycobacterium tuberculosis D) Escherichia coli

Biology & Microbiology

The effect of population growth limiting factors begin to become evident at about the letter ____

a. A b. B c. C d. D e. E

Biology & Microbiology

The film of fluid in the pleural cavity functions to:

a. nourish the lungs. b. rehydrate the lungs. c. provide lubrication between the lungs and thoracic wall. d. trap bacteria that may enter the lungs. e. inflate the lungs.

Biology & Microbiology

In sweet peas, dominant alleles C and P are necessary for colored flowers. In the absence of either (__ pp or cc __) or both (cc pp), the flowers are white. What the phenotypic ratios be for the cross of Cc pp x cc Pp?

A. 1/4 color, 3/4 white B. 9/16 color, 7/16 white C. 3/4 color, 1/4 white D. 1/4 color, 3/4 white E. 1/2 color, 1/2 white

Biology & Microbiology