Which body form of the cnidarians is sessile?
A. The jelly
B. The polyp
C. The fish
D. The medusa
Answer: B
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Which principle states that no two species competing for the exact same resources can coexist?
A. Competitive exclusion principle B. Dominance species principle C. Complex community network principle D. Resource partitioning principle
What do the Gram stain, the acid-fast stain, and the endospore stain have in common?
A. The staining outcome varies with the charge of the cell wall. B. They use a negative stain technique. C. They are used on a wet mount of the specimen. D. They are differential stains. E. They use heat to force the dye into cell structures.
Select the best response to the question. ?What is a consequence of untreated tapeworm?
A) anal itching B) abscesses C) anemia D) seizures
Hormones must be present at high concentrations to elicit an effect.
Answer the following statement true (T) or false (F)