In bilateral animals, _____ is contained within a cavity, cushions the gut during body movements, and is a means by which materials are distributed throughout the body

a. a coelom
b. mesoderm
c. a mantle
d. a water-vascular system
e. coelomic fluid


e

Biology & Microbiology

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The most eco-friendly strategy to minimize our use of nonrenewable mineral sources is _____________.

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This term describes the amount of carbon dioxide a person puts into the atmosphere.

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