The phosphorus in all biological tissues can be traced back to ________

A) phosphorus weathered from rock
B) atmospheric phosphorus gas
C) volcanic activities
D) phosphorus in animal bones
E) phosphorus dissolved in the ocean and taken up by shellfish


Answer: A

Environmental & Atmospheric Sciences

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A child in which of the following countries would have the smallest environmental footprint?

A) Australia B) Namibia C) Brazil D) Canada E) Italy

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Define “smart growth” and explain how “new urbanism” is related to smart growth.

What will be an ideal response?

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Which of the following is often true of the active site of an enzyme?

A) It consists of amino acids near both the N-terminus and C-terminus. B) It consists of amino acids which are adjacent to each other. C) It consists of amino acids which not adjacent to each other. D) None of the above is true.

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Consider a simple food chain in which a grasshopper eats grass, the grasshopper is eaten by a frog, the frog is eaten by a snake, and a burying beetle feeds on the snake after it dies . Which of the following is not correctly matched

A) beetle—detritivore B) frog—secondary consumer C) grasshopper—herbivore D) snake—primary consumer E) grass—producer

Environmental & Atmospheric Sciences