According to Darwin, in the struggle for survival, those individuals whose traits best enable them to survive and reproduce will, on average, leave the largest number of offspring that in turn survive to reproduce
This is the basic idea behind his theory of A) natural selection
B) creationism
C) differential evolution
D) artificial selection
A
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How did Mars get its two moons? a. Mars captured asteroids from the asteroid belt
b. Mars suffered a catastrophic meteor impact, breaking a piece off the planet. c. Mars had planetary bodies near it when the solar wind blew out the nebula. d. Mars collided and fused with another planet leaving two remnants behind. e. Mars captured comets from the Kuiper belt.
Capacitors in Combination: Three identical capacitors are connected in parallel to a potential source (battery). If a charge of Q flows into this combination, how much charge does each capacitor carry?
A. 3Q B. Q C. Q/3 D. Q/9
AC Generator: An ac generator consists of 100 loops of wire, each of area 0.090 m2, and has a total resistance 12 ?. The loops rotate about a diameter in a magnetic field of 0.50 T at a constant angular speed of 60 revolutions per second. Find the maximum induced emf in the generator.
A. 0.27 kV B. 0.54 kV C. 1.7 kV D. 3.4 kV
Based on the evidence that atmospheric carbon dioxide is a cause of planetary warming, what aspect of the graphs should most concern us?
A. The carbon dioxide concentration today is significantly higher than at any time in the past 800,000 years and is rapidly rising. B. Earth's past temperature rises and falls naturally. C. Earth's past carbon dioxide concentration rises and falls naturally.