An example of an integrator in maintaining homeostasis is the ________ .
a. glands
b. brain
c. skin
d. muscles
e. ears
Answer: b. brain
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Which of the following is not a correct match?
a. pollen - male b. stigma - female c. anther - female d. ovule - female
If a researcher uses the same experimental set-up as another study to collect data, but uses different research subjects, it is considered:
a. exploration. b. replication. c. extrapolation. d. inductive reasoning. e. a two-tailed test of the hypothesis.
Altruistic adolescents tend to have higher levels of:
A. intelligence B. empathy C. all of the above D. self esteem
What is one of the independent variables in the peacock butterfly experiment?
A. Presence of the wing spot B. Range of migration C. Species of bird predator D. Experimental location E. Percentage of survivors