Which of the following statements concerning the peripheral nervous system is false?
a. Spinal nerves lead to and from the spinal cord.
b. There are 31 pairs of spinal nerves.
c. Cranial nerves lead from the brain directly to the spinal cord.
d. Some nerves carry only sensory information.
e. Some nerves are both sensory and motor.
C
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Which of the following exert bottom-up control?
A. parasites. B. predators. C. roots. D. parasites, predators, and roots. E. None of the answers is correct.
Based on the experimental design, which variable was the control?
A. Moisture B. Seeds in the dark C. Type of light D. Temperature E. Germination rate Clarify Question 1. What is the key concept addressed by the question? 2. What type of thinking is required? 3. What key words does the question contain and what do they mean? Gather Content 1. What do you know about experimental design?How does it relate to the question? Consider Possibilities 1. What other information is related to the question? Which information is most useful? Choose Answer 1. Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process 1. 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?
An embryo develops rudiments of all organs by week ________ of prenatal development.
A) 8 B) 4 C) 6 D) 3
From which chamber of the heart does the right ventricle receive blood?
a. right atrium. b. left atrium. c. left ventricle. d. none of the above.