Compare and contrast the various groups of dinosaurs. Provide examples of each group. What will be an ideal response?
The two major groups of dinosaurs are the Ornithischia and the Saurischia. The Saurischia
have a lizard-like pelvis. The Ornithischia have a bird-like pelvis. The Saurischian dinosaurs
are divided into the theropods, which were bipedal carnivores, and the sauropods, which were
herbivores. The Ornithischia are divided into the ornithopods, pachycephalosaurs,
ankylosaurs, stegosaurs, and the ceratopsians. Most of the Ornithischia were herbivores.
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Productivity in the tropics is: a. high, due to abundant sunshine, warm temperatures, and clear waters
b. low, due to a lack of nutrients. c. average, due to abundant sunshine and clear waters. d. average, due to warm temperatures.
Explain why salt marshes and estuaries are among the most productive of marine habitats
The global ________ involves the transfer of water between Earth's water reservoirs
Fill in the blank(s) with correct word
Solar Nebula Hypothesis (#2)
What will be an ideal response?