The ________ cambium gives rise to thick layers of secondary xylem and phloem.
Fill in the blank(s) with the appropriate word(s).
vascular
The vascular cambium gives rise to thick layers of secondary xylem and phloem.
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The pecking behavior in young herring gulls is triggered primarily by a red spot on the bill of the parent, and is
performed repeatedly in the same way; therefore, it is an example of ____
a. imprinting b. a learned response c. a fixed action pattern d. operant conditioning e. classical conditioning
Borders between patches that result from natural disturbances typically change over time
Indicate whether the statement is true or false
In a hydrolysis reaction, _____, and in this process water is _____.
A. a polymer is broken up into its constituent monomers ... consumed B. a monomer is broken up into its constituent polymers ... produced C. monomers are assembled to produce a polymer ... consumed D. monomers are assembled to produce a polymer ... produced E. a polymer is broken up into its constituent monomers ... produced
The coastal zone is best described as the:
A) main profundal zone of the ocean. B) zone where freshwater and saltwater mix. C) area between high and low tide. D) area between low tide and the start of the benthic zone. E) area between high tide and the edge of the continental shelf.