New alleles arise by
a. mutation.
b. migration.
c. genetic drift.
d. random mating.
e. independent assortment.
a
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Which of the following is not a char of all living organisms?
a. response to stimuli b. adaptation c. sexual reproduction d. regulation of internal environment e. acquisition of energy
Which of the following is/are a habitat island?
A. a freshwater pond in a meadow B. a black basalt lava flow in the middle of the desert C. an individual cluster of pines in the middle of a pine forest D. a freshwater pond in a meadow and a black basalt lava flow in the middle of the desert E. a freshwater pond in a meadow, a black basalt lava flow in the middle of the desert, and an individual cluster of pines in the middle of a pine forest
In the reaction, 6CO2 + 6H2O ?C6H12O6 + 6O2, which side should energy be placed on?
A. The left side, this is an exergonic reaction. B. The right side, this is an endergonic reaction. C. Neither side, the reaction is in equilibrium. D. The left side, this is an endergonic reaction. E. The right side, this is an exergonic reaction.
Region within a chloroplast that surrounds the grana; contains enzymes involved in the synthesis of carbohydrates during the Calvin cycle of photosynthesis.
What will be an ideal response?