Which of the following is the most recent example of evolution and natural selection?
A. the genetic differences among the various populations on Earth
B. the occurrence of many different breeds of dogs
C. the development of pesticide-resistant insects
D. the presence of long generation times in organisms
C. the development of pesticide-resistant insects
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Which of the following characteristics made the pea plant Pisum sativum an ideal organism for Mendel's studies?
A. It has the ability to self-fertilize B. It was easy to cross-fertilize one plant with another C. It has easily identifiable traits D. All of the answers are correct
When does a CAM plant take in atmospheric CO2?
a. daytime only b. nighttime only c. summer only d. winter only e. anytime the Calvin cycle is occurring
Relative to the NAD+ molecule in the illustration, how many hydrogens does the NADH molecule possess?
a. one fewer
b. two more
c. one more
d. two fewer
Continental drift affects
1.climate. 2.extent of glaciations. 3.sea levels. 4.evolution. 5.All of the choices are correct.