Many invertebrates have separate and differentiated receptors for taste and smell, while others have a single receptor
for both.
Indicate whether the statement is true or false.
ANSWER: True
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The contribution an individual makes to the gene pool of the next generation compared to the contributions of other
individuals is called ____.
a. competition b. genetic drift c. relative fitness d. gene flow e. mutation
Cancer cells are not
A) contact inhibited. B) transplantable. C) invasive. D) heritable.
Behavioral traits are useful in distinguishing among species because
a. behaviors are always genetically determined. b. courtship behaviors and timing of mating may create prezygotic isolation. c. behaviors are easy to assess in dead and fossilized specimens. d. behaviors are independent of morphological characteristics. e. behaviors are always learned
A plant will usually wilt when which component of water potential reaches 0 MPa?
A. turgor pressure B. total water potential C. solute potential D. gravity potential