Which of the following is an example of an alternative energy that uses renewable resources?
A. burning oil
B. geothermal energy
C. burning coal
D. burning petroleum
Answer: B
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Which of the following would bear the most resemblance to Archaeopteris, an ancient plant genus that preceded gymnosperms and angiosperms?
A. A ginkgo lacking vascular tissue. B. A pine tree that does not produce cones. C. A cycad that does not produce coralloid roots. D. A grass species that lacks flowers. E. A sunflower that does not produce endosperm.
Potential energy is the energy of motion
1.True 2.False
On Long Island, New York, a population of wall lizards that originated from a group in Italy is present. Several had been imported to be sold as pets many decades ago, and some escaped and started a new population in this suburban area
What concept applies to this situation? A) genetic drift B) the founder effect C) a population bottleneck D) gene flow
Computer programs can scan DNA sequences and identify potential genes, which may or may not be functional genes. A functional gene must
a. share an exon with another functional gene. b. result in a mutant phenotype if its sequence is mutated. c. have an open reading frame. d. be expressed in all cell types of the organism. e. have a functional ortholog in another species.