The closest living relatives of birds are
a. mammals.
b. snakes and lizards.
c. turtles.
d. crocodiles.
e. amphibians.
D
Biology & Microbiology
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Relatively small organic molecules with a central carbon atom which is bonded to a carboxyl group, an amino group, a carbon containing group, and a hydrogen atom are called:
A. amino acids. B. fatty acids. C. enzymes. D. peptides. E. nucleotides.
Biology & Microbiology
The fly agaric mushroom (Amanita muscaria) and the death cap mushroom (Amanita phalloides) are members of
which fungal phylum?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Biology & Microbiology
What is a common limiting nutrient of phytoplankton?
a. Sunlight b. Nitrogen c. None of these choices d. Oxygen
Biology & Microbiology
The greater the altitude, the greater the reduction in Vo2max.
a. true b. false
Biology & Microbiology