Plants adapted to low-nutrient environments are characterized by
A) a high growth rate.
B) decreased root production.
C) increased leaf longevity.
D) faster growth when more nitrogen is available.
C
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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
Amphetamines make persons who use them feel
a. very drowsy. b. somewhat relaxed. c. sedated. d. more alert. e. delirious.
In the creation of a DNA profile, what type of DNA is used?
A. Microsatellites D. Transposons B. Short tandem repeats E. Fragment length polymorphisms C. Introns
Bacteriophages decrease food safety
____________________ Indicate whether the statement is true or false.