Which of the following is an example of flowering plant/animal interdependence? I) Most angiosperms depend on insects, birds, or mammals for pollination. II) Most angiosperms depend on insects, birds, or mammals for seed dispersal
III) Most land animals depend on angiosperms for food. A) I only
B) I and II
C) III only
D) I, II, and III
D
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Refer to the accompanying figure. Recall that eggs from the same female were exposed to each of the eight treatments used. This aspect of the experimental design tested which of the following hypotheses?
A) The longer day lengths of summer trigger the development of twig-like caterpillars. B) Differences in air pressure, due to elevation, trigger the development of different types of caterpillars. C) Differences in diet trigger the development of different types of caterpillars. D) The differences are genetic. A female will either produce all flowerlike caterpillars or all twig-like caterpillars.
Neurons release neurotransmitters stored in vesicles by a process known as _______.
Fill in the blank(s) with the appropriate word(s).
List the steps associated with the pressure-flow model of phloem transport.
What will be an ideal response?
A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50-L container of cold water, what would be the approximate increase in the temperature of the water? (Note: A liter of cold water weighs about 1 kg.)
A) 50°C B) 5°C C) 100°C D) 10°C