Which is an example of potential energy rather than kinetic energy?
A. a pile of leaves that have been burned
B. a candle giving off light
C. a firefly using light flashes to attract a mate
D. an apple made up of energy-rich macromolecules
E. a skier at the bottom of the hill instead of the top of the hill
Answer: D
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The lateral line is:
A. a lateral stripe on the side of male fish that aids in sex-recognition B. a series of sensory organs that detects pressure waves in the water C. the row of fins along the sides of eels D. the row of pharyngeal slits along each side of the heads of fish E. the row of small blocks of cartilage along each side of the notochord of agnathan fishes
The phenomenon of chance events causing the allele frequencies in a population to change unpredictably is known as
____.
a. genetic drift b. gene flow c. deleterious mutations d. nonrandom mating e. natural selection
What are lymphocytes?
A. Red blood cells B. Cells responsible for clotting C. A specific type of antigen D. White blood cells
mitochondria and chloroplasts may have arisen through
What will be an ideal response?