Complex arrangements of feeding patterns in ecosystems are best described as

a. food webs
b. food chains
c. trophic levels
d. pyramids of energy
e. trophic chains


A

Environmental & Atmospheric Sciences

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In 2012, global fur retail sales totaled more than:

A) $15 billion B) $13 billion C) $1 billion D) $13 million E) $15 million

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Solar energy and terrestrial re-radiation are usually measured in units of length called ________

A) langleys B) calories C) micrometers D) nanometers E) isotherms

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The most accessible land is generally the least expensive

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Sea snakes spend less than half their time in the marine environment.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences