The possible answers are
<span>A.a drought reduces the toad population </span>
<span>B. an influx of soil nutrients results in increased grass growth </span>
C.a hawk species moves in that hunts toads
<span>D.the toad population increases after a warm, wet spring
The correct answer is D
The increase in numbers in the toad population after a warm and wet spring would mean that there are more toads that prey on the beetles and that they are limiting the beetle population by hunting them.</span>
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The main function of the lungs is the process of gas exchange called respiration (or breathing). In respiration, oxygen from incoming air enters the blood, and carbon dioxide, a waste gas from the metabolism, leaves the blood. A reduced lung function means that the ability of lungs to exchange gases is reduced.
The correct order is:
1. Neutral
2. Harmful
3. Beneficial
Neutral mutations have no effect on organism and the majority of mutations are neutral
Harmful mutations (or deleterious) may cause genetic disorders and those mutation decreases the fitness of the organism.
Beneficial mutations (or advantageous) increases the fitness of the organism and may become more common through natural selection.
