What was the dependent variable in the peacock butterfly experiments?
a. changing predators
b. changing habitats
c. painting the wings
d. clipping the hindwings
e. getting eaten
ANSWER: e
You might also like to view...
Which of the following is true about stem cells?
a. All stems cells can develop into any other type of cell. b. Stem cells are unspecialized cells. c. Stem cells are undifferentiated cells derived from embryonic cells. d. Stems cells undergo meiosis to repair damaged tissue.
Which of the following is a form of cancer?
a. mononucleosis b. megaloblastic anemia c. hemolytic anemia d. leukemia e. iron-deficiency anemia
DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?
A) All habitats should have received applications of DDT at about the same time. B) The frequency of DDT application should have been higher. C) None of the insect pests would have genetic variations that resulted in DDT resistance. D) DDT application should have been continual.
The eukaryotic 45S pre-rRNA transcript codes for the
a. 28S rRNA. b. 28S and 18S rRNAs. c. 28S, 18S, and 5.8S rRNAs. d. 28S, 18S, 5.8S, and 5S rRNAs.