9. Earthworms exhibit segmentation, defined as the

(a) division of the body into a series of similar segments.
(b) presence of a true coelom.
(c) difference in size of the male and female.
(d) presence of a “head” equipped with sensory organs.


(a) division of the body into a series of similar segments.

Biology & Microbiology

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Organisms that have their optimum growth pH between 5.5 and 8.0 are called ________.

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

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Which structure runs from the middle ear to the pharynx to equalize air pressure?

a. cochlea b. auditory canal c. tympanic membrane d. round window e. eustachian tube

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The field of study named ____________________ has developed software to efficiently store,

analyze, and present genomic information. Fill in the blank(s) with the appropriate word(s).

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Distances on genetic maps are measured in ____________________ and distances on physical maps are measured in

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

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