It is due to agitation of the heart. This is the result of a blow in the area directly over the heart.
The correct answer is stabilizing selection reduces the amount of variation in a trait. disruptive selection increases the amount of variation in a trait.
Stabilizing selection is a type of natural selection in which genetic diversity decreases because natural selection favours an average phenotype and selects against extreme variations.
<span>
Disruptive selection is a type of natural selection in which extreme values for a trait are favoured over intermediate values, thus it increases genetic variance.</span>
Answer:
A rise in temporary body tempurature typically isn't fatal but if prolonged for too long and especially if continuing to rise it can be fatal.
Explanation: