What class is comprised of nautiluses, octopuses, and squid?
a. Cephalopoda
b. Bivalia
c. Gastropoda
d. Mollusca
ANS: A
These animals and cuttlefish are cephalopods. They are so named due to their head being surrounded
by a foot that has divided into tentacles. Cephalopods are in the phylum Mollusca. Information can be
found in the section Advanced Invertebrates Have Complex Bodies and Internal Systems
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a. Germany b. Italy c. United Kingdom d. France e. Spain
The __________ flows through the core region of Russia, providing transportation, fresh water and fishing.
a. none of these is correct b. Baikal River c. Don River d. Ural River e. Volga River
Cobbles are more likely to be transported in a stream's
A. suspended load B. bed load C. dissolved load D. all of the preceding
Which of the following is the correct set of integer coefficients for the balanced equation respectively: ___ C5H12(g) + ___O2(g) ? ___CO2(g) + ___H2O(g)
A) 1, 5, 5, 6 B) 1, 8, 5, 6 C) 5, 1, 8, 6 D) 5, 12, 2, 4