Answer: 1. (A bat food supply decreased.)
Explanation:
The effect does the chemical referred to as a mutagen has is it causes a permanent change in the genetic material (dna) and is denoted as option D.
<h3>What is DNA?</h3>
This is referred to as deoxyribonucleic acid and is the genetic material in living organisms.
Mutagen on the other hand are agents which cause mutations which means alterations in the DNA of organisms. It affects the transcription and replication of the DNA thereby leading to cell death and other effects such as diseased condition.
This is therefore the reason why option D was chosen as the most appropriate choice.
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The answer is <span>Without genetic diversity, natural selection cannot occur.
</span>In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. In order for natural selection to occur, the genetic diversity must be present within the population. That way, natural selection will have more "choices" so it can favor those variations t<span>hat will increase the chance of survival and reproduction.</span>
<span>Polio is a disease that can cause paralysis i hope this helps you</span>
The poison dart frog suddenly increase if the predator that feeds off the dart frogs goes extinct or migrates to a different area then the dart fronts will have a much larger population.
This means that the resources the dart frogs rely on will start to diminish and their prey will have smaller numbers