Give examples of how plants and animal pollinators have coevolved. What will be an ideal response?
Concepts to Consider: Flowers of different colors and scents attract different pollinators. Animals
coevolved special body parts to obtain nectar and pollen grains, while dispersing pollen for plants.
Examples of this include the hairy bodies of bumblebees upon which pollen sticks, the long, curved
beaks of honeycreepers, which can be inserted in elongated flowers, and the orchids that resemble
female bees and with which male bees attempt copulation
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The concentrations in a broth dilution test that separate the categories of susceptible, intermediate, and resistant are called:
a. border concentrations. b. tolerance limits. c. breakpoints. d. reference values.
Cytokines
A. play key roles in both specific and nonspecific immunity. B. play key roles in both specific and non-specific immunity and are required for regulation of the immune response. C. are required for regulation of the immune response. D. cause lysis of invading microorganisms.
Viruses that infect bacteria are:
not known to exist. prions. bacteriophages. composed of only proteins. viroids. .
How do you test for a pinworm infection?
A) PCR B) screening for molecular antigens C) microscopic evaluation of stool for oocyst D) tape adhesion test E) microscopic identification of eggs in stool