Formation of new organic matter through photosynthesis by autotrophs is referred to as ____

a. net production
b. gross production
c. secondary production
d. primary production
e. thermodynamic production


d

Environmental & Atmospheric Sciences

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The North American Great Lakes ____

a. occupy kettles b. are tarns c. are oxbow lakes d. occupy former river valleys deepened by glacial erosion

Environmental & Atmospheric Sciences

Climatic environments within North America are mainly

A. temperate midlatitude B. Mediterranean C. humid temperate D. cold polar

Environmental & Atmospheric Sciences

Which of the following linkages is found in sphingolipids?

A) sphingosine-choline-phosphate B) sphingosine-phosphate-choline C) phosphate-sphingosine-choline D) none of the above

Environmental & Atmospheric Sciences

Minerals are made of rocks

a. True b. False

Environmental & Atmospheric Sciences