Which of the following organisms can colonize the nasal cavity and enter the brain to cause meningoencephalitis?
A) Entamoeba histolytica
B) Acanthamoeba
C) Naegleria
D) Balantidium
E) Giardia
C
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The amount of energy that flows through a detrital food web is _________that which flows through a grazing web
a. the same as b. greater than c. less than d. the sum of e. the difference of
Bacteria and Archaea are
A) eukaryotic. B) prokaryotic. C) archaeotic. D) anucleotic. E) proteozoic.
Which of the following statements about plant reproduction is incorrect?
A. Monoecious plants can have male and female flowers on the same plant. B. Dioecious plants have male and female flowers on different plants. C. Self-pollinating angiosperms are usually adapted to stable habitats. D. Outcrossing promotes genetic diversity. E. Self-pollinated plants must be visited by pollinators for fertilization to occur.
The lower end of the the uterus narrows and leads to the ________ which opens into the vagina.
A) cervix. B) labia. C) rectum. D) ovary.