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Hoshuia Hoshuia
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6 years ago
Ivan Pavlov rang a bell whenever he fed a dog, and later the dog salivated at the sound of the bell. What term best describes this experiment?
 
  a. classical conditioning
  b. habituation
  c. operant conditioning
  d. imprinting
  e. social learning

Question 2

What extracellular plant signaling molecules can exert their effects at very low concentrations?
 
  a. hormones
  b. peptide
  c. enzymes
  d. pheromones
  e. plasmodesmata
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fayez_83fayez_83
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6 years ago
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Hoshuia Author
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6 years ago
this is exactly what I needed
TheMoffattMan
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Yesterday
Correct Slight Smile TY
DAGINC
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2 hours ago
Smart ... Thanks!
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