Members of the ____ lizard genus are commonly used as model systems for studies of ecology and evolutionary
biology.
a. Ichthyostega
b. Anolis
c. Dunkleosteus
d. Eusthenopteron
e. Archaeopteryx
ANSWER: b
Biology & Microbiology
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The ____ represent an internal respiratory system
a. skin folds on an amphibian b. broad, flat body of a flatworm c. branched gill filaments d. folds within human lungs e. gills on a salamander
Biology & Microbiology
In Waller's experiment, he placed one front paw and one back paw of a dog into pans containing
a. carbon dioxide. b. iron. c. mercury. d. pure water. e. salt solution.
Biology & Microbiology
Cells within the morula ____
a. are identical b. are not differentiated c. number over 1000 d. each contain a different portion of the egg’s cytoplasm e. are each the same size of the original egg
Biology & Microbiology
Dikaryotic cells are denoted as:
a. n + n. b. n ? n. c. n. d. 2n. e. 2n ? n.
Biology & Microbiology