To what phylum do honeybees belong?
A. Arthropoda
B. Sporozoa
C. Chordata
D. Annelida
Answer: A
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The largest molecule of the following is
A. a monosaccharide. B. a disaccharide. C. a polysaccharide. D. glucose. E. sucrose.
What is the annual rainfall range experienced by grasslands?
a. 25 - 100 centimeters b. 5 - 15 centimeters c. 10 - 25 centimeters d. 80 - 110 centimeters e. 50 - 85 centimeters
What are alleles?
A. the dominant form of a gene B. the locations of genes on a chromosome C. genes for different traits, such as hair color or eye color D. alternative forms of a gene for a single trait, such as blue eyes or brown eyes E. the recessive form of a gene
Why is a drop in blood pressure potentially dangerous?
A. Once pressure drops, it can take hours to increase it again. B. Low blood pressure leads to gas bubbles in the blood that can cause a stroke or the "bends". C. If pressure is not high enough, blood vessels collapse and can become stuck closed. D. Active cells, like those in the brain, need a continuous supply of oxygen and nutrients.