Which of the following represents energy flow in a grazing food web?
A. Producers ? detritivores ? decomposers
B. Producers ? decomposers ? detritivores
C. Producers ? herbivores ? decomposers ? carnivores
D. Producers ? herbivores ? carnivores ? decomposers
E. Producers ? herbivores ? detritivores ? carnivores
Answer: D
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The most common method of asexual reproduction in protists is
A. fragmentation. B. cytokinesis. C. fission. D. budding.
Endemic species tend to have all of the following characteristics EXCEPT ____
a. high specific habitat requirements b. low dispersal ability c. restricted geographic distributions d. high specific dietary requirements e. high charisma to motivate conservationists
Those organisms that are covered by numerous, tiny locomotory structures belong to the phylum
a. Euglenozoa. b. Stramenopila. c. Parabasalia. d. Alveolata.
If the sequence of bases in a section of DNA is TAGGCTAA, what is the corresponding sequence of bases in mRNA?
A) ATCCGATT B) CGAAUCGG C) TAGGCTAA D) AATCGGAT E) AUCCGAUU