The cohesion-tension theory explains that water is moved upward in plants by means of ________
a. all of the choices
b. hydrolysis of ATP fueling active transport
c. positive pressure pushing from engorged roots
d. tension from transpiration
d
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A genetic disorder that results in accelerated aging is called ________
a. cri-du-chat syndrome b. progeria c. Turner's syndrome d. achondroplasia
Which of the following are typically osmoconformers?
a. freshwater teleost fishes b. sharks c. birds d. marine teleost fishes e. freshwater invertebrates
The evolutionary effects of genetic drift are greatest when _____.
A) the population size is large B) intraspecific competition is intense C) the population size is small D) intraspecific competition is weak E) sexual selection occurs
What type of cell retains the ability to divide repeatedly into any type of cell, thus allowing the body to repair and grow?
What will be an ideal response?