Which scenario would probably not result in the formation of a new species?

a) the introduction of a predatory fish that only eats the largest native bass in a georgia lake
b) a period of stable weather conditions that lasts for hundred of years, allowing a species of grass to do well
c) a mutation that causes a purple color form to appear in peacock males, which the peahen females seem to either strongly like or dislike
d) isolation of a population of lizards on an island, which later becomes too distant from the mainland for other lizards to swim to the island

The scenario which will not help in the formation of new species is that a period of stable weather conditions that lasts for hundreds of years, allowing a species of grass to do well.

Option B

Explanation:

Evolution is the scenario which happens at the time of any distress, a group of individuals of certain organisms adapt to the challenges that have raised at the particular environment and change their morphologies.

This might even give rise to new species, whereas if there is no disturbance to the living scenario then there is no need for organisms to evolve and thereby give rise to new species.

the answer is a) cell division.

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hypoxemia refers to a below usual concentration of oxygen in the blood, mainly in the arteries. hypoxemia is an indication of an issue associated with circulation or breathing and may lead to various symptoms like shortness of breath.  

the condition is identified by determining the level of oxygen in the blood sample obtained from an artery. it can also be predicted by determining the oxygen saturation of the blood with the application of a pulse oximeter.  

the normal arterial oxygen is about 75 to 100 mm hg. the values underneath 60 mm hg is generally considered with the requirement for supplemental oxygen. the normal pulse oximeter readings generally range between 95 to 100 percent. the values under 90 percent are regarded as low.  

in the given case, the oxygen saturation is measured at 93 percent, hence, there is no need to administer oxygen, that is, one should withhold oxygen.