Amphibians are
a. frogs, toads, and salamanders.
b. fish, frogs, and salamanders.
c. salamanders, sea anemone, and frogs
d. clams, oysters, frogs, and toads.
e. toads, sea urchins and frogs
A
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All of the following would strengthen the Endangered Species Act except
a. establishing a core of survival habitats for listed species b. greatly increasing the funding for carrying out the ESA c. making the protection of endangered species on private land voluntary d. developing recovery plans for listed species more quickly e. emphasizing the protection of biological diversity and ecosystem functioning
Various means of rock breakdown comprise ____ processes
a. exogenic b. endogenic c. gravity d. earthquake
The downstream portion of a river
A) features greater hydraulic action than do upstream portions. B) generally becomes more sluggish. C) generally is of higher velocity, although it is masked by reduced turbulence. D) has lower discharges than do upstream portions.
The distinctive type of sedimentary layering that has largest particles on the bottom and smallest particles on the top, with intermediate sized particles in the middle, is called which of the following?
A) Graded Bedding B) Nonconformities C) Sandstone Layering D) Suspension Deposits E) Turbidity Currents