What group dominated the Carboniferous period and is now burned as coal?
A) Seedless vascular plants
B) Algae
C) Angiosperms
D) Conifers
E) Cycads
A
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Which of the following is a desirable general characteristic of antimicrobial drugs?
A. Broad-spectrum of activity B. Bactericidal rather than bacteriostatic C. Selective toxicity D. All of the choices are correct.
During periods of stratification, transfer between surface and bottom waters is controlled by
A) mixing. B) diffusion. C) niche partitioning. D) current.
After wearing a watch for a period of time you are no longer as aware of its presence on your wrist. This is an example of:
A. lateral inhibition. B. adaptation. C. temporal summation. D. desensitization.
What was the MOST important scientific advance gained from Gregor Mendel's experiments with pea plants?
What will be an ideal response?