Match the following items with the correct phrases.
_______1. An arachnid ectoparasite; one species causes human scabies; larval forms of some species are referred to as “chiggers.”
_______2. An insect ectoparasite; the vector of plague.
_______3. An arachnid ectoparasite; the vector of Rocky Mountain spotted fever.
_______4. Pediculus humanus var. corporus; an infestation with these insects is known as pediculosis; in the trenches in World War I, these were known as “cooties.”
_______5. An insect called Phthirus pubis.
_______6. An arachnid ectoparasite; the vector of Lyme disease.
a. body louse
b. “crab” louse
c. flea
d. mite
e. tick
1. d. mite
2. c. flea
3. e. tick
4. a. body louse
5. b. “crab” louse
6. c. flea
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Match the structures with their appropriate functions:
A. Roots allow plants to obtain water and nutrients, while shoots allow plants to obtain gases and sunlight. B. Roots allow plants to obtain water, nutrients and glucose, while shoots allow plants to obtain sunlight. C. Roots allow plants to obtain glucose, while shoots allow plants to obtain sunlight and water. D. Roots allow plants to obtain carbon dioxide and water, while shoots allow plants to obtain nutrients and oxygen.
Which of the following countries is not a member of the European Union?
a. Switzerland b. Portugal c. Sweden d. Ireland
In this diagram of the life cycle of a moss, which structure, A, B, C, or D, is the spore-producing sporangium?
1.A
2.B
3.C
4.D
You just drank several glasses of lemonade, which is highly acidic. Which of the following will occur in your urine?
A) There will not be any major changes to the urine. B) Your urine will contain a lot of bicarbonate ions. C) The pH of your urine will increase. D) The pH of your urine will decrease.