Describe the process of bioaccumulation or biomagnification that occurred with the bald eagle. Suggest a scenario of how DDT came to be captured in the tissues of the bald eagle.
What will be an ideal response?
DDT is a fat-soluble chemical that can accumulate in the fatty tissues of animals. In a food chain or food web, the accumulated DDT is biologically magnified in the bodies of animals at each higher trophic level.
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Biomagnification is an especially important process in the concentration of ________ to toxic levels
Fill in the blank(s) with correct word
One way of increasing our supplies of rare earth minerals is to ____.
A. import them from asteroids B. extract and recycle them from discarded electronics C. grow them chemically in a lab D. require manufacturers to use a different material E. buy more from China
Mitochondria have how many membranes?
A) 0 B) 1 C) 2 D) 4
Which of the following is true of the amino acids in the amino acid pool?
A) They are never used as a fuel for energy. B) They are sometimes used as a fuel for energy. C) They are often used as a fuel for energy. D) They are the major fuel used for energy.