The organisms that replaced Paleozoic corals as the major reef builder in the Mesozoic were ____
a. scleractinians
b. rudist bivalves
c. oysters
d. cephalopods
e. gastropods
b
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At times in Earth’s history, volcanoes have been more active and large ice sheets have covered the continents. The fact
that this is not observed today contradicts uniformitarianism. a. True b. False
Water is a solvent that can dissolve and carry substances, such as nutrients and domestic waste.
Answer the following statement true (T) or false (F)
The causes of the current (sixth) mass extinction include all of the following except ________
A) pollution from pesticides, eutrophication, and other causes B) habitat alteration and destruction C) earthquakes, tsunamis, and forest fires D) global climate change E) invasive exotic species
A tree plantation is also called a(n) ____.
A. old-growth forest B. primary forest C. second-growth forest D. commercial forest E. successional forest