Amphibians’ history include all of the following EXCEPT:a

underwent an adaptive radiation during the Carboniferous period.
b. inhabited both aquatic and terrestrial ecosystems.
c. are thought to have descended from lungfish during the late Devonian period.
d. were the dominant terrestrial carnivores of the Carboniferous period.
e. appeared for the first time in the Silurian period


E

Biology & Microbiology

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Enveloped viruses may enter their host cells by fusion of their envelope with the cytoplasmic membrane, thereby depositing their nucleocapsid within the cell.

Answer the following statement true (T) or false (F)

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The ________of the glomeromycetes do not penetrate host root cells; instead, the fungal hyphae grow between and around cells.

A. ectomycorrhizal hyphae B. arbuscular mycorrhizal hyphae C. stolon hyphae D. progametangia hyphae

Biology & Microbiology

Blanks “C” and “D” should be labeled respectively

a. in; large b. in; small c. out; large d. out; small e. none of these

Biology & Microbiology

Most of the nutrient digestion and absorption takes place in the ____

a. stomach b. duodenum c. jejunum d. ileum e. large intestines

Biology & Microbiology