Refer to the accompanying figure. What is the structure labeled as 6?
a. anus
b. gills
c. cilia
d. mouth
e. digestive tract
a
Biology & Microbiology
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The key molecule upon which all complement pathways converge is
A. C1. B. C2. C. C3. D. C6.
Biology & Microbiology
In the human digestive system, ________ is the rhythmic smooth muscle contractions that aid in moving food along the system.
A. countercurrent exchange B. phagocytosis C. peristalsis D. rumination E. sphincter contractions
Biology & Microbiology
The animal in Figure 21-2 represents:
a.
a mosasaur.
b. an ichthyosaur.
c. a pterosaur.
d. a thecodont.
e. a plesiosaur.
Biology & Microbiology
A spot where two continental plates are sliding past one another may be prone to
A) volcanoes. B) earthquakes. C) tsunamis.
Biology & Microbiology