Select the following phylum that includes coelomate, bilaterian animals that have a structure called a notochord.
A. Echinodermata
B. Mollusca
C. Chordata
D. Annelida
E. Arthropoda
Answer: C
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Which of the following characteristics make(s) an organism well adapted to colonizing a
disturbed area?
a. Its seeds germinate quickly. b. It tolerates a wide range of environmental conditions and resources. c. It has a broad ecological niche. d. all of these
Which pest has thrived in urban centers due to their ability to adapt rather quickly?
a. Fruit flies b. Crows c. Mice d. Bacteria e. Rats
The first known multicellular organisms evolved approximately how many years ago?
A. 3.5 BYA B. 1.4 BYA C. 2.1 BYA D. 100 MYA
In the reaction, 6CO2 + 6H2O ?C6H12O6 + 6O2, which side should energy be placed on?
A. the right side; this is an endergonic reaction. B. neither side; the reaction is in equilibrium. C. the right side; this is an exergonic reaction. D. the left side; this is an exergonic reaction. E. the left side; this is an endergonic reaction.