The above figure of goslings (baby geese) following their mother demonstrates ____
a. imprinting behavior
b. operant conditioning
c. systematic desensitization
d. reactionary behavior
e. voluntary behavior
ANSWER: a
You might also like to view...
Maternal effect genes of Drosophila are genes active in __________ cells, whose products establish
__________ in developing embryos. a. maternal; gender b. maternal; polarity c. embryonic; polarity d. embryonic; gender e. egg; gender
You have been studying the relationship between jackals and tigers in India. Until recently, the only relationship you have observed is that jackals will associate themselves with a particular tiger and follow it at a safe distance in order to feed on the big cat's kills. However, recently you observed a jackal alerting a tiger to a kill with a loud cry. If you continue to observe this alerting behavior, you might change the categorization of the jackal/tiger relationship from ________ to ________.
A. mutualism; parasitism B. mutualism; commensalism C. parasitism; mutualism D. commensalism; mutualism E. competition; predation
Which statement logically predicts how natural selection, when acting on genetic variation, may subsequently result in evolutionary adaptation?
A) As global warming continues, many species found near the tropics will migrate either northward or southward toward the poles. B) During years of drought, tree rings will be narrower. C) As the African environment becomes drier and the grasslands more prevalent, arched feet and non-opposable toes, both more effective for walking upright, became more common in hominins. D) Insect diversity in temperate broadleaf forests will vary from year to year based on the amount of precipitation.
RNA directly involved in producing proteins are ribosomal RNA (rRNA), _______ RNA (mRNA), and ________ RNA (tRNA).
Fill in the blank(s) with the appropriate word(s).