How many plants, animals, and microorganisms became extinct in 2011?
A) 20,000 B) 100 C) 1,000 D) 10,000 E) 100,000
Answer: A
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If a species of frogs becomes threatened because they can only live in a narrow range of temperatures, they would be classified as a(n) ____________________
Fill in the blanks with correct word
Which of the following accurately describes the state of the continents and ocean 65 million years ago?
A. All the continents were roughly in the relative positions they hold today but were much closer together with smaller oceans in-between them. B. Seafloor spreading had opened and connected the North and South Atlantic Ocean but North America and Eurasia were still partially connected. C. The Iapetus Ocean was in the final stages of closing before the initial formation of Pangaea. D. All the major continents adjoined in a landmass called Pangaea and surrounded by the Tethys Sea.
Near the poles, more energy is reflected back into space than is absorbed.
a. true b. false
Which individual would be most likely to receive the title of "first marine scientist"?
A) ?Matthew Maury B) ?Captain James Cook C) ?Christopher Columbus D) ?Wyville Thompson (of the Challenger expedition)