Which of the following best describes the trend in the United States wetlands during this century?
a) An increase in coastal wetlands and a decrease in freshwater wetlands
b) A decrease in coastal wetlands and an increase in freshwater wetlands
c) An increase in coastal wetlands and an increase in freshwater wetlands
d) A decrease in coastal wetlands and a decrease in freshwater wetlands
Ans: b) A decrease in coastal wetlands and an increase in freshwater wetlands
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A classmate tells you that a statement heard on the news about an environmental process noted in a local ecosystem cannot be true because it has not been scientifically proven. You realize that
a. this classmate is misinformed because science cannot prove anything, but it can disprove events conclusively. b. this classmate is misinformed because science can neither prove or disprove anything absolutely. c. this classmate is misinformed because the process in question actually has been proven scientifically. d. this classmate is correct. e. this classmate has confused scientific theories and scientific laws
Trilobites, an abundant organism during the Early Paleozoic and less abundant during the Late Paleozoic, survived to
the Cenozoic. a. True b. False
Discuss how orogenesis can influence speciation and the distribution of life. Provide
specific examples What will be an ideal response?
The longest wavelength of the electromagnetic spectrum corresponds to the color ____
A) blue B) violet C) red D) yellow