Energy utilization in living organisms is
A) one of the most basic requirements of life, without which organisms could not maintain order, grow, and reproduce
B) only important for organisms like plants which receive their energy directly from the Sun
C) neither a necessary nor a sufficient condition for life
D) not important for organisms that have adapted to survive extremely low temperatures (psychrophiles)
A
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Describe at least three ways in which our solar system would be different if orbital resonances had never been important
What will be an ideal response?
According to Newton's Law of Gravitation, if the distance between two bodies is doubled the attractive force between them becomes
A. half as large. B. one quarter as large. C. twice as large. D. four times as large. E. unchanged.
You are at the leading end of a canoe and your friend is at the trailing end while the canoe is drifting along at a speed v. You toss a backpack to your friend. While the backpack is in flight, what is the canoe's speed? Ignore any friction effects between the canoe and the water
1.It is greater than v. 2.It is less than v. 3.It maintains the same speed it had before the backpack was thrown. 4.We cannot tell from the information given.
What do you expect the spectrum of an object that is 1,000,000 Kelvin to be like?
a) It should give off less total light than the Sun. b) It should peak at violet wavelengths. c) It should peak at X-ray wavelengths. d) It should give off about 10 times more total light than the Sun. e) It should peak at radio wavelengths.