The danger of blood collecting inside the pericardial sac after blunt chest wall trauma is that: the heart cannot contract as effectively.
it will store some energy and excrete waste from itself
Answer:
The reintroduction of the wolf nearly 25 years ago to the country's first national park has brought change: Overpopulated elk herds have thinned, allowing some willow and aspen groves to return and thereby creating better habitat for songbirds and beavers.
Explanation:
Answer:
d. Genetic Drift
Explanation:
Genetic drift, in Biology, is the change of the relative allele frequency of a population that occurs randomly over time. That is, the allele frequency of the original population becomes changed overtime.
Genetic drift can be said to be caused or favored by several factors, and this could include, small population size, population experiencing bottleneck effect or the founder effect, movement of a gene into a population.
The case of unusual high frequency of "blue skin" that occurred in the small group of people living in the remote area of Kentucky can be said to be an example of <em><u>genetic drift,</u></em> as this trait were originated from one couple who migrated as one of the settlers into the region.
