Give three examples of phytoplankton: ________, _______, and _______. Fill in the blank(s) with the appropriate word(s)
diatoms, dinoflagellates, algae
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What order has the most living bony fish species?
a. Chondrichthyes b. Osteichthyes c. Teleostei d. Coelacanths
Typical plankton productivity in the temperate zone is about 130 gC/m2/yr
Indicate whether the statement is true or false
Which of the following types of forest management is closest to sustainable forestry principles?
A) Shelter-wood cutting and selective cutting B) Selective cutting and clear-cutting C) Clear-cutting and shelter-wood cutting D) Clear-cutting followed by burning the cut areas
Which of the following would an economist identify as a difficulty relating to environmental command-control regulations?
A. high degree of inflexibility B. clear distinctions drawn between firms C. lack of incentive to reduce pollution D. obvious lack of loopholes