When selection increases one feature of an organism at the expense of another, we speak of an evolutionary ________
Fill in the blank(s) with correct word
trade-off
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Carbon fixation is a reduction reaction that converts inorganic CO2 into an organic molecule
a. True b. False
Which of the following is an example of an
event that would set up the scene for primary succession?
a. a dense landslide of mountain rocks covering an entire valley b. a fire that burns off all of the surface vegetation c. an agricultural field that is abandoned d. a lake that dries up killing all of the aquatic plants e. all of these set the scene for secondary succession NOT primary succession
Some of Darwin's most important discoveries were based on studies of birds and tortoises that he observed in
A) Tahiti. B) Ecuador. C) the Galápagos Islands. D) Jamaica. E) the Bahamas.
Based on our understanding of the early stages of life, ________ is/are thought to be one of the earliest forms of metabolic regulation that evolved
A) attenuation B) feedback inhibition C) riboswitches D) transcription factors