Where do the megaspores develop in pine trees?
a. within an ovule
b. within a strobilus
c. within a sporopollenin
d. within a seed
Ans: a. within an ovule
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The integument includes all of the following except ________.
A. sweat glands B. skin C. nails D. surface capillaries E. hair
Acclimatization is the process by which animals adjust to seasonal changes. Which example is least characteristic of
acclimatization? a. An endotherm entering torpor b. A horse’s coat thickening in winter c. A fish’s metabolic rate slowing d. A bear entering hibernation e. A lizard basking in the sun
The success of Chitwan National Park in Nepal is attributed primarily to ____
a. ecotourism b. exclusion of local residents c. ecosystem valuation d. benefits provided to local residents e. income derived through hunting
The cell walls of surface-facing epidermal cells
are filled with which of the following to reduce water loss?
a. wax b. pectin c. lignin d. cork e. periderm