Which term refers to a group that comprises the majority of mammal species living today—which are also known as placental mammals—and includes such diverse species as rodents, bats, whales, and primates?
a. metatherians
b. anthropoids
c. protherians
d. eutherians
Ans: d. eutherians
Biology & Microbiology
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A. plasmid B. viral vector C. fungal vector D. plasmid and viral vector E. viral vector and fungal vector
Biology & Microbiology
The most important vector of Lyme disease in the eastern United States is
A. Dermacentor virabilis. B. Dermacentor andersoni. C. Staphylococcus aureus. D. Ixodes scapularis.
Biology & Microbiology
Which of these hydrocarbons has a double bond in its structure?
a. C3H8 b. C2H6 c. CH4 d. C2H4 e. C2H2
Biology & Microbiology
Which of the following does NOT describe the
Casparian strip? a. waxy b. component of the endodermis c. permeable d. barrier e. waterproof
Biology & Microbiology