Organs in the coelom of an animal are held in place by the 

A. muscles.
B. bones.
C. inner tube.
D. mesenteries.


D. mesenteries.

Biology & Microbiology

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What is the main driving force of surface currents?

a. Coriolis Effect b. Centripetal force c. Trade winds d. Gyres

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Which part of the amphibian life cycle prevents them from being fully terrestrial?

a. finding a mate b. reproduction c. respiration d. obtaining food e. locomotion

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Alleles are alternative forms of a gene.

a. true b. false

Biology & Microbiology

Immersion oil is used with some microscope lenses because it has the same __________ as glass.

Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology