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Debora [2.8K]
3 years ago
6

which of the following types of speciation occurs when a barrier divides members of a population A) allopatric B )PARAPATRIC C)

peripatric D)Sympatric
Biology
1 answer:
Lyrx [107]3 years ago
5 0

Answer:

(A) allopatric

Explanation:

please click❤and brainlist

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Correct Completed  Questions; Susan, a 67 year old female is experiencing ataxia, or poor muscle coordination. Doctors perform a neurological exam and they find that Susan is not positive for the Romberg test. Describe what these findings suggest about the sources of Susan's ataxia.

Answer:s

In order to test for balance and positioning(proprioception)   as a measure of  neurological function, or to test level   of intoxication alcohol  during driving, Romberg test is usually conducted,which can be negative or positive.It is generally used to investigate the cause of loss of motor control in individuals.

Explanation:

A positive result  showed that her  ataxia was due to loss of positioning due to loss of  sensory from sensory neurons.However if negative as in the case of Susan, then it  is to due to abnormality/dysfunctions   in the cerebellum, and not due to loss of sensory functions,

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