If peach trees growing in specific mild climates
of the southern United States do not receive
about 850 hours of temperatures below 40
degrees, they will not produce flowers in the
spring. This is explained by which of the
following terms?
a. photoperiodism
b. phototropism
c. senescence
d. vernalization
e. dormancy
D
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Bob is recovering from a brain injury. He is unable to speak, but he clearly understands both the written and spoken
word. The area of damage that resulted in these symptoms is ____.
a. Wernicke's area of the temporal lobe b. Broca's area of the frontal lobe c. the primary somatosensory area of the parietal lobe d. the cerebellar association area e. the brain stem
What environmental factor can lactation periods be affected by?
a. Temperature of habitat b. Predator numbers c. Amount of other pinnipeds when lactating d. Available nutrients
Which of the following statements concerning
production of bryophyte reproductive cells is true? a. Spores and gametes are produced by meiosis. b. Spores and gametes are produced by mitosis. c. Spores are produced by meiosis, whereas gametes are produced by mitosis. d. Spores are produced by mitosis, whereas gametes are produced by meiosis. e. Spores and gametes are both used for sexual reproduction.
Osteoporosis may result if the activity of osteoclasts outstrips the activity of osteoblasts
Indicate whether the statement is true or false