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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Seagrasses are not true grasses
Indicate whether the statement is true or false
Biology & Microbiology
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.
Biology & Microbiology
Bacterial __________ cause systemic symptoms such as fever, whereas bacterial __________ cause
more specific maladies. a. phages; prophages b. prophages; phages c. endotoxins; exotoxins d. exotoxins; endotoxins e. exotoxins; phages
Biology & Microbiology
What term includes the variety of species in an area of interest?
A) biomass B) biodiversity C) the trophic pyramid D) the ecological niche
Biology & Microbiology