Which part of the brain regulates body temperature, blood pressure, respiration, and heartbeat?
A. occipital lobe
B. amygdala
C. cerebellum
D. hypothalamus
E. medulla oblongata
Answer: D
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Dr. Robinson tapped on a patient's knee with the little hammer, but failed to see the usual kick of the patellar reflex. Since this reflex only involves a few neurons, what part of the nervous system might the doctor most likely be concerned about?
A. parasympathetic nervous system B. central nervous system C. sympathetic nervous system D. peripheral nervous system Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about components of the nervous system? What other information is related to the question? 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?
The first O2 producing organisms were probably
a. cyanobacteria. b. Archaea. c. green algae. d. red algae. e. plants.
This illustration shows
a. cytoplasmic division in an animal cell. b. a contractile ring mechanism. c. how chromosomes are dragged to the poles. d. cytoplasmic division in an animal cell and a contractile ring mechanism. e. cytoplasmic division in an animal cell and how chromosomes are dragged to the poles
Likelihood is preferable to parsimony to infer a phylogeny when
A. there is a great deal of homoplasy. B. a researcher wishes to incorporate different models of molecular evolution into phylogenetic estimates. C. evolutionary rates vary greatly among the taxa of interest. D. a researcher wishes to include a measure of confidence in the nodes of the phylogeny. E. All of the above