The simplest type of learning is called ________ learning.
A. nonassociative
B. associative
C. classical
D. operant
Answer: A
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True or False: even though the full oxidation of glucose is exergonic, some of the steps in the involved pathways are endergonic
A. true B. false
Peahens prefer to mate with peacocks that have the brightest and largest tail displays. The peacock’s tail is a
disadvantage to the males, because it is large and cumbersome and hinders them from escaping from predators. Given these facts, why isn’t the peacock’s tail selected against by natural selection?
a. peacocks lack the mutations to allow selection to work b. only a few peacocks have large tail displays c. in spite of the disadvantage, peacocks with larger tails leave more offspring d. it is selected against, but because a peahen gives birth to so many males, the population is not greatly affected e. peacocks do not reproduce sexually
Which of these groups is characterized by having a TRUE coelom?
A) Roundworms B) Arthropods C) Cnidarians D) Flatworms E) Sponges
In 1865, a biologist, St. George Jackson Mivart, constructed an evolutionary tree of existing primate species with many branches based on analysis of spinal columns. But to his dismay, another tree based on limb comparison was quite different. Which of
the following analyses would be best to include today to determine which tree is more accurate? A) comparison of genes that control development B) comparison of eyes of primates C) comparison of DNA sequences of primates D) examination of evolutionary trees constructed by others