A behavior that depends on experience has been ____
Fill in the blank with the appropriate word.
learned
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Some plants gain their nutrition by parasitizing other plants
A. true B. false
Deep-sea vent communities are associated with volcanic ridges on the seafloor and cold-water seeps
Indicate whether the statement is true or false
The reason that some individual hormones have so many different effects is that
a. they influence gene transcription. b. they trigger a second messenger system that produces a cascade of effects. c. there are a great many different cells in different tissues that have specific receptors for the hormone. d. the hormone is carried throughout the body and only a small amount is needed to produce its effect. e. they are realeased in different concentrations.
At rest, the majority of blood is found in which type of vessel?
a. arteries b. arterioles c. capillaries d. venules e. veins