bolus
What will be an ideal response?
in preparation for swallowing, the tongue, forms chewed food into a mass called
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If you were a conservation biologist in charge of the recovery plans for an endangered species, which would you prefer to find within that species—an even distribution of age classes or a pyramid-shaped age distribution? Why?
What will be an ideal response?
Which of the following groups of microorganisms is not found among the normal gut microbiota?
A. Protozoa (Entamoeba, Trichomonas) B. Fungi (Candida) C. Firmicutes (Streptococcus, Staphylococcus, Clostridium, Bacillus) D. Enterics (Escherichia, Enterobacter) E. Spirilla (Leptospira, Borrelia)
Small swollen areas in the neck, groin, and axillary region are associated with _____
A) increased activity of the immune system B) blood sugar that is abnormally high C) dehydration D) sodium depletion
In a transmission electron microscope, the "lenses" are
A. made of glass. B. thin films of metal. C. lasers. D. magnets. E. vacuums.