In an experiment studying predator and prey relationships, a scientist offers a naïve toad a bumblebee as food. The bee stings the toad when the toad tries to catch and eat the bee. Subsequent feeding trials with the toad reveal that the toad avoids feeding on bumblebees. This is a demonstration of
A. non-associative learning on the toad's part.
B. associative learning on the toad's part.
C. ultimate learning on the toad's part.
D. proximate learning on the toad's part.
E. sign stimulus learning on the toad's part.
B. associative learning on the toad's part.
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You are working in a laboratory that is studying a newly isolated virus. Your job is to culture the virus using in vitro methods. Upon observing your inoculated tissue culture specimen one day, you notice clumps of cells growing on top of the original monolayer of cells. Microscopic analysis of stained cells from the culture reveal an alteration in host cell membrane protein content and chromosomal structure. Based upon this information, you hypothesize that the virus you are studying is ________.
A. a viroid B. an oncovirus C. a bacteriophage D. a prion E. a satellite virus
Genetic variation in behavior occurs between species and within species. Describe the genetic basis for the difference in mating behaviors in closely related species of voles
What will be an ideal response?
What type of mutation occurred in the following? Normal allele GGAAUGAAACAGGAACCC Mutant allele GGAAUGAAAUCAGGAACCC
A. insertion B. substitution C. deletion D. frameshift
If something is called a vitamin, it cannot be made by the organism and must be taken in as a part of diet.
a. true b. false