What role do bees play in the interaction between cowbirds and oropendola birds?
a. keep away large predators
b. keep away insect pests
c. pollinate species that only cowbirds prefer
d. pollinate species that only oropendola birds prefer
e. have no effect on the relationship between cowbirds and oropendolas
B
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A test which uses specific monoclonal antibodies to detect the presence of a pathogen (such as an indirect ELISA) is classified as a molecular genomic technique.
Answer the following statement true (T) or false (F)
The simple cuboidal cells found in kidney tubules have which function?
A. allow exchange of substances by diffusion and osmosis B. protect areas subject to abrasion C. secrete and absorb substances D. secrete hormones E. secrete and propel mucus
The cerebral cortex is highly folded. Why might this be an advantage for the functions of the cerebrum?
A) The increased surface area increases the area for higher-level thinking. B) The increased surface area permits greater contact between the cerebrum and the cerebellum. C) The folds form grooves that let the bones of the skull reach deeply down between brain regions. D) The folds increase the areas where sensory receptors can reach the brain's surface.
Where are the food materials digested by fungi located?
A) externally B) within their mitochondria C) within food vacuoles D) within their cells