The symbiosis between a fungus and the roots of a tree is an example of ________
A) succession
B) trophic cascade
C) commensalism
D) mutual dependency
E) mutualism
Answer: E
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What is the relationship of lava flows on Mauna Loa to the “Rift Zones” along the slopes of the volcano?
Look at the following volcanoes (note that the maps are of several different scales): • Mount Vsevidof (53°07'35"N, 168°41'16"W), a composite volcano in Alaska (shown on Map T-2, Map T-21b, and Figure 34-2) • Crater Mountain (37°52'42"N, 119°00'25"W), the highest peak of the Mono Craters, a chain of rhyolitic plug dome volcanoes in California (shown on Maps T-23a and T-23c) • SP Mountain (35°34'56"N, 111°37'55"W), a basaltic cinder cone in Arizona (shown on Maps T-22a and T-22b and Figure 34-3) • Mauna Loa (19°28'17"N, 155°35'41"W), a large shield volcano on the Big Island of Hawai‘i (shown on Maps T-1 and T-21a) What will be an ideal response?
Debris flows are different from mudflows in that they ____
A)move faster B)are confined to pre-existing channels C)contain more water D)are less damaging E)are composed of larger particles
Which two war-torn nations have produced an enormous number of migrants seeking asylum in Europe, most notably Germany, in recent years?
A) Iraq and Syria B) Morocco and Algeria C) Bosnia and Kosovo D) Turkey and Saudi Arabia E) Egypt and Jordan
What was a major flaw in Malthus' conclusions?
A) His mathematical models did not account for variability. B) His team of researchers were biased, they had a predetermined conclusion. C) His ideas only applied to Christians, Jews, and Muslims. D) He failed to predict agricultural expansion and mechanization. E) He only studied rural populations.