About 30,000 years ago, humans survived most like which of the following organisms?
A) Roaming groups of omnivorous chimps
B) Herds of herbivorous bison and elk
C) Flocks of herbivorous geese migrating broadly across continents
D) Isolated carnivorous cougars hunting for their own meals
A
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These two small countries are completely surrounded by South Africa ________________ and ___________________.
Fill in the blank(s) with the appropriate word(s).
An ideal shelter for housing a temperature-measurement instrument should be white and in the
shade. Indicate whether the statement is true or false.
Offshore ridges of sand that lie parallel to the beach are called:
a. littoral bars b. longshore bars c. berms d. beach scarps
Metabolism is a collective term for thousands of:
A. Enzymatic reactions necessary for life B. Cells in an organism C. Molecular reactions in a cell D. Organic compounds in a cell