A plant species where each plant makes some flowers that are male and some that are female is called
a ____ species and always has ____ flowers.
a. monoecious; complete
b. dioecious; imperfect
c. dioecious; complete
d. monoecious; imperfect
e. monoecious; perfect
D
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A 4-year-old boy attended day care 3 days per week. He was irritable, and his parents noticed that he had persistent perianal itching. A sticky paddle was pressed against the perianal region and sent to the laboratory for testing. The eggs microscopically observed would most likely have which one of the following morphologic features?
a. Long with a short buccal cavity b. Thin shell with internal granules c. Bipolar plugs d. Flat-sided, football-shaped
Generally, the smaller the infective dose, the lower the chance of disease
Indicate whether this statement is true or false.
About 180 liters of blood plasma is filtered into human nephrons per day and, of that amount, about 2-3 liters leaves the body as urine. Therefore, the percentage of plasma filtrate that leaves as urine each day is about _______.
A. 10-20 percent B. 20-50 percent C. 0.1-0.2 percent D. 1-2 percent E. 5-10 percent F. 0.5-1.0 percent Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about filtrate? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Why are small populations more affected by genetic drift than larger ones?
What will be an ideal response?