Protists typically only reproduce sexually during
A. warm conditions.
B. darkness.
C. low pH conditions.
D. stress.
E. cold conditions.
Answer: D
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Match the terms in the left column to the definitions in the right column. Use each answer only once.
(a) negative geotaxis (b) positive geotaxis (c) negative phototaxis (d) negative thigmotaxis (e) positive thigmotaxis (f) positive phototaxis i. attracted to gravity ii. attracted to light iii. avoidance of touch iv. avoidance of gravity v. attracted to touch vi. avoidance of light
The movement of large molecules or large quantities of molecules into a cell is accomplished through ________; movement of these molecules out of the cell is accomplished through ________
Fill in the blank(s) with correct word
Based on U.S. Department of Agriculture guidelines, which of the following would be the best evening meal?
A. Pizza with cheese, tomato sauce, mushrooms, onion, sausage, ham, and pepperoni B. Tacos with beans, lettuce, onion, cheese, tomato C. A salad with lettuce, tomato, mandarin oranges, onion, and low fat dressing D. Hamburger on a bun with onion and mustard, and french fries
Which of the following is within the range of heat escaping from the surface of Earth?
a. infrared radiation b. gamma rays c. UV radiation d. X-rays