Aquatic mammals have evolved the ability to sleep on one side of the brain at a time, ensuring they resurface to breathe even while asleep
a. true
b. false
Ans: a. true
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After his mother hears him swear, Conrad gets his mouth washed out with soap. If this led to reduction in swearing, his mom's strategy would be described as a form of a. counterimitation
b. time-out. c. punishment d. negative reinforcement trap.
How do researchers know that infants can tell the difference between a physically impossible and physically possible event?
A) Infants will stare longer at the possible event than they do at the impossible event. B) Infants will stare longer at the impossible event than they do at the possible event. C) Infants will demonstrate object permanence to the possible event but not to the impossible event. D) Infants will demonstrate object permanence to the impossible event but not to the possible event.
For a simple trait with one dominant and one recessive gene, a person will display the recessive trait
A) if they are heterozygous or homozygous for the recessive trait. B) only if they are homozygous for the recessive trait. C) only if they are heterozygous. D) as long as they inherit one copy of the recessive trait.
According to the article Wolf in Sheepdog's Clothing, permission to study sheepdogs was obtained from
(a) a university committee which protects research participants (b) the head of the family farm (c) the county agricultural extension agent (d) no one--it is not necessary to get permission for naturalistic observations