During which time period did shallow seas cover much of the land and another burst of evolutionary diversification

occur?
a. Silurian period
b. Permian period
c. Devonian period
d. Ordovician period
e. Carboniferous period


d

Biology & Microbiology

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In some species of sharks, babies hatch from shells within their mother's body. This is an example of

a. oviparity. b. viviparity. c. ovoviviparity. d. budding. e. fission.

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Bacterial __________ cause systemic symptoms such as fever, whereas bacterial __________ cause

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What term includes the variety of species in an area of interest?

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