Reproductive success of an organism is best measured by its
A) fitness.
B) ability to attract a mate.
C) number of offspring that survive to reproduce.
D) life span.
C
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Which of the following represents the correct order of appearance of characters in fungal evolution?
A. chitinous cell walls, hyphae, regular septa, complex multicellular fruiting bodies B. chitinous cell walls, hyphae, complex multicellular fruiting bodies, regular septa C. hyphae, chitinous cell walls, complex multicellular fruiting bodies, regular septa D. hyphae, regular septa, chitinous cell walls, multicellular fruiting bodies E. multicellular fruiting bodies, regular septa, hyphae, chitinous cell walls
Which of the following is a desirable general characteristic of antimicrobial drugs?
A. Bactericidal rather than bacteriostatic B. Selective toxicity C. Broad-spectrum of activity D. All of the choices are correct.
Which of the following would require a channel to pass through the membrane?
a. alcohol b. glucose c. oxygen d. fatty acid
The technique shown in Image B is most likely the:
a) Auramine-rhodamine b) PAS c) Kinyoun d) Thioflavin T