Are all of the sugar subunits the same?
a. yes
b. no
b
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Lignin is an important component in
A) tight junctions. B) plant cell walls. C) fungal cell walls. D) plasmodesmata. E) bacterial cell walls.
What is the primary beneficial function of fungi?
a. Breaking down insoluble organic matter b. Defending plants against pests and diseases c. Serving as food for most aquatic species d. Removing pesticides and fertilizers from soil
What were the short-term responses of each population during the first 20 years following the removal of the mice? a. Deer mice remained absent from the community and there was no apparent impact on thesize of all other populations
b. deer mice began to re-establish in the community. c. Mesquite rose to a level that dominated the community, but there was no apparent impact onthe size of all other populations. d. None of the above.
The preference of female cichlid fish for brightly colored blue or red males in Lake Victoria provides an example of
____.
a. sympatric speciation b. sexual selection c. allopatric speciation d. reproductive isolation e. ecological speciation