Fossils from the ____ would be the oldest in the Grand Canyon
a. hermit shale
b. redwall limestone
c. temple butte formation
d. bright angel shale
e. vishnu basement rocks
ANSWER: e
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Match the following items with the correct phrases.
_______1. An arachnid ectoparasite; one species causes human scabies; larval forms of some species are referred to as “chiggers.” _______2. An insect ectoparasite; the vector of plague. _______3. An arachnid ectoparasite; the vector of Rocky Mountain spotted fever. _______4. Pediculus humanus var. corporus; an infestation with these insects is known as pediculosis; in the trenches in World War I, these were known as “cooties.” _______5. An insect called Phthirus pubis. _______6. An arachnid ectoparasite; the vector of Lyme disease. a. body louse b. “crab” louse c. flea d. mite e. tick
Argon has 18 protons. How many electrons are in its third energy level?
a. 2 b. 4 c. 6 d. 8 e. 10
The plant cell organelle most analogous to the animal cell endosome is the
A) provacuole. B) lysosome. C) peroxisome. D) glyoxysome. E) None of the above are analogous.
In microscopy, the term resolution
A) refers to the ability to distinguish fine structure and detail in a specimen. B) is the same as the total magnification of a specimen. C) is improved when longer wavelengths of light are employed. D) is only observed in stained specimens. E) refers to magnification when using the electron microscope.