Based on the information in Table 23-1, one characteristic used at the class level of classification for
corn is:
a. flower parts in fours or fives.
b. separate male and female flowers.
c. the presence of a single seed leaf.
d. flowering vascular plants.
e. tall annual grasses.
C
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The only fungi capable of breaking down lignin are the ________
a. zygomycetes b. basidiomycetes c. mycorrhizae d. ascomycetes
Sponges are heavily preyed upon by marine fishes
Indicate whether the statement is true or false
Commercial fisheries are increasingly focusing on catching smaller fish like anchovies because of ______ large predatory fishes.
A. exotic B. competition with C. increases in D. pollution in E. overexploitation of
The most common molecules in cellular membranes are the
a. glycolipids. b. phospholipids. c. cholesterol molecules. d. proteins.