Which of the following is true of natural selection?
A) It is a random occurrence.
B) It does not occur in most species of organisms.
C) It is directed by changes in the environment.
D) It does not lead to evolution of a species.
C
You might also like to view...
A kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational potential energy is 500 J.He slides part way down the hill to a point where his gravitational potential energy is 200 J. His kinetic energy at that point will be
a. 200 J. b. 300 J. c. some unknown value between 0 and 500 J. d. none of the above.
Why does a hot dog pant?
What will be an ideal response?
What is the mass of an object that experiences a gravitational force of 685 N near Earth's surface where g = 9.80 m/s2?
A) 69.9 kg B) 68.5 kg C) 71.3 kg D) 72.7 kg
A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s2 . What is its angular speed at the instant it goes through an angular displacement of 7.00 rad?
a. 280 rad/s b. 0.175 rad/s c. 0.592 rad/s d. 880 rad/s