Which structure places a fish in the class Actinopterygii?
a. swim bladder
b. pharynx with gills
c. nerve chord
d. fleshy lobed fines
e. more flexible fins with less bone
e
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You want to get rid of your cough and stuffy nose, and a friend offers you a cup of tea. After you drink the tea, you realize that you are feeling relief from your symptoms. What plant compound was most likely found in the tea?
A) quinine B) codeine C) menthol D) salacin E) morphine
An individual has the genotype AaBbCcDdEe. How many different type of gametes can this individual make?
A) 5 B) 10 C) 25 D) 32 E) 625
The apparent lack of intermediate forms in the fossil record might best be explained as due to
a. disruptive selection. b. frequency dependent selection. c. allopatric speciation. d. genetic drift. e. punctuated equilibrium.
The 3 parts of a DNA nucleotide are the phosphate group, deoxyribose, and the base
a. true b. false