What is the releasing stimulus for the threat display exhibited by male stickleback fish when intruding males enter their territory?
a) flaring of the gills
b) greenish-blue tail fin
c) red spot on the belly
d) fanned-out display of fins
C
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The birds that were eating at the bird feeder initially flew away when the shadow of Charlie's kite passed over the feeder. However, after Charlie had been flying the kite for 15 minutes, the birds had all returned and didn't stop feeding when the kite passed overhead. The birds' change in responsiveness illustrates the learning process known as:
a. sensitization b. habituation c. second-order conditioning d. negative reinforcement
A new restaurant in town specializes in romantic music and soft lighting. The owners are probably aware of the research demonstrating the effects of physical environment on behavior. Studies have confirmed:
a. faster music and harsher lighting tend to create more relaxed moods. b. faster music and softer lighting tend to create more relaxed moods. c. slower music and harsher lighting tend to create less moods. d. slower music and softer lighting tend to create more relaxed moods.
A deficit in speech and language for a child with ASD includes
A) violent or otherwise intense tantrums. B) absorption in his or her own world. C) no use of two-word combinations by 2 years. D) unusual attachment to a particular toy or object.
While males have only one chance, females have ________ chances of inheriting dominant disease alleles on the X chromosome
Fill in the blank with the appropriate word.