The virtually universal decline in near vision in middle adulthood is called presbyopia.
<h3>What is vision?</h3>
Vision is the ability of the eyes to receive and send signals to the brain which then interprets and produces a picture of the object.
A common eye defect the occurs as people grow into adulthood is known as presbyopia.
In conclusion, presbyopia is an age-dependent eye defect.
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Answer:
involuntary; voluntary
Explanation:
Involuntary behaviors in organisms are unlearned behaviors exhibited as a reflex response to a stimuli around their environment. They are usually unconscious behaviors. On the other hand, voluntary behaviors are deliberate behaviors exhibited by an organism consciously. They are actually under the control of the organism, and can be learned.
If Inez blinks her eyes because a gnat flies close to them, that's involuntary. But if she then swats at the gnat, that's voluntary.
Mitosis in an eukaryotic cell cycle occurs after the G2 phase (option b). This is the final stage of interphase and during this time, the cell continues to grow as well as create new proteins. Successful completion of this phase results in the commencement of Mitosis.
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Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
