The study of the evolutionary history of
species is called
a. exaptation.
b. taxonomy.
c. microevolution.
d. phylogeny.
e. convergent evolution
D
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Respiration in adult terrestrial insects is achieved by way of:
A. gills B. tracheae C. book lungs D. passage of respiratory gases through the cuticle E. Malphigian tubules
In order for a cell to respond to the signaling molecule epinephrine, it must have ____
a. ion channels b. a lipid bilayer through which epinephrine can pass
c. receptors with an epinephrine binding site on the cytoplasmic side of the plasma membrane d. receptors with an epinephrine binding site on the plasma membrane surface e. nuclear membrane receptors
How many varieties of apples account for 90%
of the apples sold in U.S. grocery stores?
a. 5 b. 15 c. 25 d. 50 e. 150
If an individual has the genotype YyZz what gametes could it produce?
a. YyZz b. Yz, yZ, Yz, or yz c. Yy or Zz d. Y, y, Z, or z