Lack of vitamin ____ leads to rickets
a. a
b. b
c. c
d. d
e. e
ANSWER: a
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Cephalization is the evolutionary tendency toward the concentration of sense organs at one end of the body of bilateral animals
Indicate whether the statement is true or false
The somatic senses include four of the following sensations. Which one is the exception?
a. balance b. pain near the body surface c. temperature d. touch e. pressure
Which biome is characterized by an abundance of trees that lose all of their leaves at a specific time of
year? a. taiga only b. tropical rain forest only c. temperate rain forest only d. temperate deciduous forest only e. both the temperate and tropical rain forests
All of the following processes bring materials into a cell except:
A) exocytosis. B) phagocytosis. C) receptor-mediated endocytosis. D) endocytosis.