The ability of humans to resist a disease is called
A) dormancy.
B) immunity.
C) resistance.
D) susceptibility.
Answer: B
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The Porifera and Cnidaria have superficially similar body plans. Indicate which of the following does NOT describe equivalent features in the two groups.
A. spongocoel and gastrovascular cavity B. mesohyl and mesoglea C. osculum and mouth/anus D. epithelial cells and epidermis E. spongin and polyp
Cells are largely constructed from four classes of large molecules called ____________________
Fill in the blank(s) with correct word
The process by which elevated nutrient levels lead to an overgrowth of algae and the subsequent depletion of water oxygen levels is known as
A. succession. B. decomposition. C. eutrophication. D. assimilation E. biogeochemical cycling.
Do arteries always carry highly oxygenated blood? Explain your answer. What will be an ideal response?