Approximately _____ percent of all fungi are yeasts
a. 1
b. 25
c. 50
d. 99
A
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A 4-year-old boy who is in day care 3 days per week is irritable and scratching the area around his anus. What morphologic characteristics would most likely be observed on microscopic ex-amination of the appropriate specimen?
a. Large eggs, proglottid shape b. Large eggs with a terminal spine c. Two individual hooklets d. Football-shaped eggs with one flattened side
Your textbook authors make the claim that "sympatric species with matching chromosome numbers are rare." Why is this?
A) because allopatric speciation is far more common B) because sympatric speciation has only been hypothesized but not documented C) because coexisting populations need a boundary to gene flow before divergence can occur, and differences in chromosome numbers provide this D) because macroevolution is just a theory
Plants do not benefit from insects that prey on their nectar
Indicate whether the statement is true or false
Stool is rich in which of the following organisms?
A) Actinomyces B) Bacteriodes C) Fusobacterium D) Streptococcus E) Neisseria