Describe Paleozoic vertebrate and invertebrate marine life. How does it differ from present-day
invertebrate marine life? What will be an ideal response?
Many of the phyla that populated the Paleozoic oceans are represented in the present-day oceans.
These include various types of zooplankton and phytoplankton. Gastropods were abundant.
Echinoderms included crinoids (which no longer exist), starfish, and sea urchins. Fish reached
their peak in the Devonian, which is sometimes called the Age of Fish.
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Volcanic venting of substances including water vapor is called ____
A) ?outgassing B) ?fissure C) ?fusion D) ?condensation
Which climate type extends northward and southward from the equator to about latitude 15° to 25°?
a. ?tropical moist climates (A climates) b. ?dry climates (B climates) c. ?moist mid-latitude climates with mild winters (C climates) d. ?moist mid-latitude climates with severe winters (D climates) e. ?polar climates (E climates)
During the Paleozoic Era, cratons were covered with large bodies of water called epeiric seas
a. True b. False
What occurs in alley cropping?
A. Crops are planted in strips between trees and shrubs. B. Terraces are built to prevent swift water runoff. C. Crops are planted across slopes. D. Special tillers are used so the topsoil is not disturbed. E. A row crop alternates in strips with another row crop.