Which mode of transit has the greatest energy consumption?

A. Sedan
B. SUV
C. Bus during peak hours
D. Bus during off-peak hours
E. Pickup truck


Ans: D. Bus during off-peak hours

Biology & Microbiology

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The procedure in which a patient’s blood is sent into a filter to be cleaned and then returned to the body is ____

a. peritoneal dialysis b. hemodialysis c. uro-dialysis d. lithotripsy dialysis e. hydro-dialysis

Biology & Microbiology

Certain orchids produce flowers and secrete scents that resemble female bees so that male bees will

mount these flowers and attempt to copulate with them. This bizarre occurrence is an example of: a. fertilization. b. coevolution. c. apomixis. d. self-pollination. e. asexual reproduction.

Biology & Microbiology

Although they are mammals, monotremes lack

A) ovaries in females. B) nipples. C) mammary glands. D) hair. E) a four-chambered heart.

Biology & Microbiology

From studying ecosystems and biomes, it may seem as if there is complete "bottom up" control, that the producers determine the life and success of the ecosystem. Yet closer examination shows "top down" control by the third trophic level is essential as

well. Evaluate why this is so, citing at least one good example. What will be an ideal response?

Biology & Microbiology