What is a population?
a. A group of organisms of the same species occupying a specific area
b. The number of different species in an area
c. The largest marine ecosystem
d. A group of interacting organisms of different species at a particular location
e. A group of organisms of the same species in several locations
a
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How much material is accreted to Earth from outer space on a daily basis?
A) 1,000,000 dust particles per day B) 10 grams per day C) 100,000 kg per day D) 10,000 liters per day
Though Oxisols occur in the tropical rain forests, they tend to be poor in inorganic nutrients
Indicate whether the statement is true or false
This type of geologic resource provides the power that drives the modern world.
A. petroleum B. metallic C. geothermal D. energy E. nonmetallic
Evidence in support of continental drift includes ________.
A. matching of geologic patterns on continents B. fit of continental margins C. glacial striation patterns D. fossil distribution on different continents E. All of the choices are correct.