Explanation:
The cave fish has likely developed other mechanisms in order to navigate their environment. These mechanisms likely highten their senses of perception and spatial orientation in the absence of the ability to see their surroundings- this will allow them to detect and catch their prey.
Within a population certain novel characteristics are fixed because they impart beneficial adaptations to their environment on an individual. Such modifications enable such individuals to live longer than their peers, and breed over time to produce further offspring, who also exhibit these traits.
Learn more about mutations at brainly.com/question/4602376
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