Background extinction rates once eliminated seven to eight species per year
a. True
b. False
ANSWER: True
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Why do plants growing outside often have shorter and thicker stems than plants of the same species grown indoors?
A. The plants inside have a more constant source of light and therefore a higher level of phytochrome. B. The outdoor plants are subject to mechanical stresses and they are exhibiting a thigmomorphogenic response. C. The outdoor plants are subject to touch by animals and other plants and are exhibiting a thigmotropic response. D. The indoor plants have elevated levels of auxin and are therefore taller than the outside plants. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about growth of protected vs. exposed plants? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
Answer the question using the accompanying figure. During metamorphosis of a tadpole, TSH is active at ____
a. A b. B c. C d. B and C e. A, B, and C
Which antibody makes up about 80% of the antibodies in the blood?
a. IgA b. IgD c. IgE d. IgG e. IgM
Ivan Pavlov is most closely associated with
A) breeding experiments with pigeons. B) operant conditioning (trial-and-error learning). C) insight learning. D) classical conditioning with dogs. E) imprinting experiments with ducks.