In the United States, the largest group of endangered species is:
a. mammals.
b. flowering plants.
c. insects.
d. birds.
e. amphibians
B
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Many agricultural crops, like wheat, are __________
A. unicellular B. prokaryotic C. haploid D. diploid E. polyploid
"Live and Active Cultures" on the label of many yogurt products means that
A. the product contains live bacteria. B. the product may become contaminated by microbes if exposed to air. C. the product was made by fermentation but then pasteurized. D. yeast cultures were used to produce the yogurt.
If a mutation occurred, causing the daughter of two pygmies to grow taller than usual, this daughter would likely reproduce at an even earlier age than her parents did.
a. true b. false
Betadine contains what type of chemical agent?
A. alcohol B. aldehyde C. halogen D. heavy metal E. phenolic