How many calories, as defined in chemistry, are in one calorie, which is the unit used to quantify the amount of
energy in the food we eat?
a. 10
b. 100
c. 1,000
d. 10,000
e. 100,000
ANSWER: c
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Rubisco is necessary for
a. capturing light energy. b. carbon cycling. c. producing chlorophyll. d. water absorption.
Variation arises in asexually reproducing populations by ________
a. mutation b. all of the choices c. natural selection d. recombination
Which of the following is TRUE of the
immediate impact of Mendel’s publication in 1866 of the basic laws of inheritance?
a. it gave Darwin the insight he needed into the mechanism of variation b. it started a genetic revolution c. it made Mendel one of the most famous scientists of his day d. it did more than of these things (a - c) e. it had no immediate impact
How does climate change affect earth's oceans?
A. The pH level of the ocean will shift to a more basic environment, leading to a decrease in overall productivity. B. As levels of carbon in the atmosphere increase, the amount of carbon in the ocean decreases proportionately. C. The pH level of the ocean will shift to a more acidic environment, leading to stress and the possible extinction of many species of shellfish and corals. D. Excess carbon in the atmosphere is absorbed by the ocean, which directly increases ocean temperature.