Bees learn the direction to a distant source of food by
a. following the foraging scout.
b. following a trail pheromone.
c. noting the scout’s waggle dance.
d. noting the scout’s round dance.
e. noting the scout’s waggle dance and its round
dance.
Answer: c
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Ecology and environmentalism are the same scientific discipline.
Answer the following statement true (T) or false (F)
Dynamic instability of microtubules:
A. is caused by the large size of this type of cytoskeletal element. B. results from a deficiency of free tubulin subunits. C. allows microtubules to perform their functions. D. is shared by other cytoskeletal elements. E. All of these choices are correct.
The phenomenon through which populations of organisms change over several generations is termed
A. homeostasis. B. growth and development. C. reproduction. D. biological evolution. E. organization.
Sexual reproduction
a. leads to uniform characteristics in a population. b. results in new combinations of genetic traits. c. produces genetic clones. d. requires less tissue differentiation than asexual reproduction. e. only requires mitosis.