All environments have both ____ and ____ components
a. hydrospheric; lithospheric
b. lithospheric; atmospheric
c. ecologic; atmospheric
d. biotic; abiotic
e. organismal; ecologic
ANSWER: d
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Your friend is getting ready to take a vacation to Africa, where malaria is common. You tell her to keep a can of bug spray and her mosquito net on hand. She doesn’t understand and asks why mosquito netting is important. You tell her that:
1.Mosquitoes will cause a nasty rash, and she should avoid being bitten at all costs. 2.Mosquitoes are a vector for the organism that causes malaria, so she should avoid being bitten. 3.Mosquitoes have a venom that can cause allergic reactions, so she should try to avoid getting bitten. 4.Mosquitoes bite and cause severe pain, so she should avoid being bitten if possible.
The relationship above is
a. a parasitic association. b. predation. c. resource partitioning. d. a mutualistic association essential to the fish but not the anemone. e. none of these.
Olfactory neurons first transmit their action potential to the central nervous system structure called the
A. amygdala. B. olfactory bulb. C. cerebellum. D. accessory olfactory bulb. E. cerebral cortex.
A plant that produces cones is a
A. moss. B. fern. C. angiosperm. D. gymnosperm.