Bdellovibrio
A. prey on other bacteria.
B. are parasites of plants.
C. may fix nitrogen.
D. are photosynthetic.
A
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Compare a pseudocoelom to a coelom.
A. A coelom is completely enclosed by mesoderm whereas a pseudocoelom has an outer covering of mesoderm and an inner one of endoderm. B. A pseudocoelom is completely enclosed by mesoderm whereas a coelom has an outer covering of mesoderm and an inner one of endoderm. C. The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by endoderm. D. The pseudocoelom is enclosed by ectoderm and the coelom is enclosed by endoderm. E. The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by mesoderm.
The grouping "conidial fungi," also known as "imperfect fungi" or deuteromycetes, is a convenience grouping for
fungi that are not classified in other groups, because the conidial fungi ____.
a. have a dikaryotic phase in their life cycle b. are unicellular c. have no known sexual phase d. have a haploid phase in their life cycle e. lack a cell wall
The molecule shown above is ____
a. a triglyceride b. an amino acid c. a steroid d. a polysaccharide e. a phospholipid
An ordinal variable is one that contains categories that:
A. have an obvious ordering, and the difference in values is meaningful. B. do not have an obvious ordering. C. have an obvious order, but the difference in values is not meaningful. D. None of the answers is correct.