Which of the following intestinal protozoa are considered parasites of humans only?
A. Entamoeba histolytica
B. Balantidium coli
C. Cyclospora cayentanensis
D. Giardia intestinalis
E. both Entamoeba histolytica and Cyclospora cayentanensis
Answer: E
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As it gets colder, the metabolic rate of an endotherm typically goes ____ and the metabolic rate of an
ectotherm typically goes ____.
a. down; down b. up; down c. down; up d. up; up e. it depends on the particular endotherm or ectotherm, so all of these are possible
Four of the five answers listed below are stages of actual nuclear division. Select the exception
a. anaphase b. prophase c. interphase d. telophase e. metaphase
The problems associated with slash-and-burn agriculture are most closely related to:
a. greed by international corporations. b. overpopulation of indigenous people. c. consumption by highly developed countries. d. cattle ranching. e. timber for export.
If the auxin that is produced by an apical meristem is transported in equal amounts down all sides of a twig, the twig will probably
A) elongate evenly. B) branch near its tip. C) flower. D) bend away from the apical meristem.