Which worm has a segmented body plan?
a. Platyhelminthes
b. Nematodes
c. Roundworms
d. Polychaetes
ANS: D
Polychaetes are the largest and most diverse class of annelids. They are often vibrant colors with
bristle projections on each segment. Information can be found in the section The Worm Phyla Are the
Link to Advanced Animals.
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China's large population has traditionally been supported by
A. a millet-based agricultural system. B. fertile alluvial soils and adequate water for the cultivation of staple cereals. C. an abundance of minerals such as coal. D. the growth of urban areas.
Which of the following was the highest class in Spanish colonial society?
A. criollos B. mestizos C. mulattoes D. peninsulares
This type of fault movement is the most likely to result in a fault scarp.
A. Reverse fault B. Strike-slip fault C. Transverse fault
Weather (rain, fog, storms, etc.) occurs primarily in the troposphere
Indicate whether the statement is true or false