When New York City was given a choice to make regarding its drinking water
A. they chose ecosystem maintenance over development.
B. they dug new and deeper wells rather than pay for desalinization.
C. they had to construct expensive filtration plants to protect against disease.
D. they chose ecosystem conversion to higher density housing for efficiency.
E. they opted for more bottled water.
Answer: A
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a. dormancy b. scarification c. vernalization d. dispersal
Mature sperm cells are called _____
1.spermatogenesis
2.spermatozoa
3.spermatocytes
4.spermatids
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A. Calcium movement involves the use of a pump. B. Calcium movement involves active transport. C. Calcium movement occurs by facilitated diffusion using a transporter protein. D. Calcium movement requires energy. E. Calcium movement occurs through a transmembrane protein.
At present, the most accurate indicator of evolutionary relatedness among organisms is the
A. size of the periplasmic space. B. sequence of the ribosomal small subunit RNA. C. size of the bacterial chromosome. D. similarities of cell membrane proteins. E. size of the ribosomes.