The ocean
Select one:
a. lacks life below the first several hundred feet.
b. has zooplankton but not phytoplankton.
c. covers little of the Earth's surface.
d. is not affected by freshwater pollution.
e. covers three-fourths of the planet.
e. covers three-fourths of the planet.
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Which organism is a zygomycete?
a. water mold b. smut or rust c. bread mold d. truffle e. yeast
Which of the following would decrease central venous pressure?
A) increased respiratory activity B) standing up C) activity of skeletal muscles D) increased blood volume E) increased sympathetic activi
Which area of biology states that living things undergo gradual structural and functional changes over long periods of time?
A. Evolution B. Genetics C. Transformation D. Morphology E. Phylogeny
Sharks differ from most other fishes in that
they lack
a. lungs. b. scales. c. bones. d. paired appendages. e. jaws.