Coordinating the body's responses to changes to the external environment is primarily the function of the __________ system.
Fill in the blank(s) with the appropriate word(s)
Answer: Nervous
Biology & Microbiology
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Which gland produces the hormone that raises blood calcium levels?
a. pituitary gland b. parathyroid gland c. thyroid gland d. pineal gland e. pancreas
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Which of the following types of mutation may play an important role in driving evolution because they are often nonlethal and, therefore, remain in the gene pool?
A. Frameshift B. Nonsense C. Missense D. Deletion
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The basic level of an ecological study always begins by looking at how populations interact with each other.
Answer the following statement true (T) or false (F)
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Ensantina klauberi and Ensatina eschscholtzii should be considered different biological species.
a. true b. false
Biology & Microbiology