The variety of genes within a species or population is called the
a. species diversity
b. genetic diversity
c. functional diversity
d. ecological diversity
e. molecular diversity
B
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Most prosimians live in grasslands. Indicate whether the statement is true or false
Why does acid rain result from fossil fuel consumption?
A) Fossil fuels heat the atmosphere, making rain more acidic. B) Fossil fuel burning releases nitrogen and sulfur oxides. C) Particulates emitted from fossil fuel burning settle in lakes and acidifies them. D) Fossil fuel burning releases stored organic carbon.
Earth intercepts approximately ________ of the Sun's total energy output
A) 1/100,000 B) 1/150,000,000 C) 1/400,000 D) 1/4 E) 1/2,000,000,000
How do commodity chains begin?
A) the extraction and production of raw materials B) the manufacture and export of commodities C) high wage, semi-skilled assembly of consumer products D) the delivery and consumption of finished commodities E) none of these