Which level of organization reflects an individual composed of multiple organ systems?
A. atom
B. cell
C. organ
D. organism
E. population
Answer: D
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In "The Disembodied Lady", neurologist Oliver Sacks tells the story of a patient who suffered a catastrophic loss of sensory function. She said, "I feel my body is blind and deaf to itself... It has no sense of itself." The patient's nerve damage was strikingly specific. What single type of neuron most likely suffered damage?
A. gustatory receptors B. proprioceptors C. olfactory receptors D. Meissner corpuscles E. rods and cones 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 sensory receptors? 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?
In an unchanging environment, a well-adapted population is likely to experience no natural selection
of any kind.
Indicate whether the statement is true or false.Many human traits, such as our performance on intelligence tests or our susceptibility to heart disease, are ________.
A. determined only by our genes B. determined solely by environmental factors C. influenced by both genes and the environment D. determined by genes in some people and by the environment in other people
Ecdysozoans
A) have a special feeding structure. B) periodically shed their outer body covering. C) have trochophore larva. D) include mollusks, annelids, and flatworms. E) have a body cavity that forms from the digestive system.