In my opinion, it would be C!
please let me know if this is correct!
Your answer is C: A rapid increase in the number of related species
<span>Glucose is the human body's key source of energy as it provides energy to all the cells in our body. Glucose also is critical in the production of proteins, lipid metabolism and is a precursor for vitamin C production.</span><span><span>Glucose is the sole source of fuel to create energy for all brain and red blood cells.</span> The availability of glucose influences many psychological processes. When glucose levels are low, psychological processes requiring mental effort l(self-control, critical thinking and decision-making) become impaired.
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The population of Green-feathered birds decreases due to prefer other colour of male birds.
<h3>Why the population of Green-feathered birds decreases?</h3>
Green-feathered birds are becoming less and less common because of the female bird that choses the blue and red colour male for mating instead of green so that's why the population of Green-feathered birds decreases.
Learn more about mechanism here: brainly.com/question/1320373