Gymnosperms, such as spruces, often dominate high-latitude boreal forests because ________
A. they are less susceptible to freezinginduced
cavitation
B. they have lower H2O requirements
C. they have lower H2O transport capacity
D. they generate large tensile forces
A
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The major point of controversy in deCODE's plan to establish a genetic database of the people of
Iceland is A. the large expense and minimal projected benefits. B. the privacy and appropriate use of the information obtained. C. the inadequacy of the database size. D. the genetic isolation of Icelanders. E. all of these.
In animal cells the main microtubule organizing center (or centrosome) is important in cell division
__________________Indicate whether the statement is true or false.
Which term refers collectively to small, photosynthetic protists found in aquatic habitats?
a. phytoplankton b. chrysophytes c. zooplankton d. phagoplankton
A dog that is homozygous recessive for a dwarf allele (dd) is mated with a dog that is homozygous dominant (DD-normal size). What will be the phenotype of the offspring?
A. 50% dominant and 50% recessive B. 75% dominant and 25% recessive C. 100% recessive D. 100% dominant