endotherms
What will be an ideal response?
animals produce their own heat internally thru their metabolism
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Evolution of behavioral traits that increase the probability of finding and attracting mates is a key feature of ____
Fill in the blank with the appropriate word.
Which of the following does NOT act to maintain the
osmotic gradient necessary for the concentration of urine in mammals? a. countercurrent flow at the loop of Henle b. decreased hypothalamic signals leading to a decrease in ADH production c. impermeability of the descending limb of the loop of Henle to Na+, Cl-, and other solutes d. impermeability of the ascending limb of the loop of Henle to water e. all of these
Biogenesis refers to the
A) spontaneous generation of organisms from nonliving matter. B) development of life forms from preexisting life forms. C) development of aseptic technique. D) germ theory of disease.
Which of the following statements about "flesh-eating" streptococci is FALSE?
A. It is caused by a group A streptococcus. B. It is also known as necrotizing fasciitis because it travels along the fascia. C. It causes death in over 50% of cases. D. It is considered a common complication of pyoderma. E. It involves toxemia.