Lakes with elevated dissolved nutrients and low water clarity are called ______.

A. lotic
B. oligotrophic
C. eutrophic
D. adibiatic
E. headwaters


C. eutrophic

Biology & Microbiology

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Water is an example of a(n)

a. atom. b. ion. c. compound. d. mixture. e. element.

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When, how, and to what extent any gene control

mechanism comes into play depends on a. the type of cell. b. the cell’s function. c. the cell’s chemical environment. d. signals from the cells external environment. e. all of these.

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Which of the following is NOT a description of sustainability?

a. sustainability means managing resource use today to ensure a vibrant and successful future for others b. sustainability means living in a way that resource use does not exceed the biocapacity of Earth c. the concept of sustainability means different things to different people and can be difficult to define and measure d. sustainability is a concept that only applies to the actions of tree huggers or environmentalists e. sustainability describes the ways humans use Earth's resources

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The probability of parents with the genotypes (Mm) ´ (Mm) having an offspring with the genotype (mm) is 

A. 1/2. B. 1/4. C. 3/8. D. 0.

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