The ________ is involved in Page 62the movement of a prokaryotic cell.
a. fimbriae
b. capsule
c. nucleoid
d. flagella
d. flagella
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Oxpeckers are a type of small bird that land on zebras and eat ticks and other parasites that live on the zebra’s skin. The oxpeckers get food and the zebras get pests removed.
A. Mutualism B. Commensalism C. Parasitism D. Predation
Briefly define transformation and describe the relationship between the phenomenon of transformation and the discovery that DNA is the genetic material in bacteria
What will be an ideal response?
Two species interbreed occasionally and produce vigorous, fertile hybrids. When the hybrids breed with each other or with either parent species, however, the offspring are feeble or sterile. These species are affected by
A) gametic isolation. B) reduced hybrid fertility. C) reduced hybrid viability. D) hybrid breakdown.
An aquatic microbe that can grow only near the surface of the water is probably which of the following?
A. a phototroph B. a heterotroph C. a chemotroph D. a lithotroph E. an anaerobe