Answer:
B) Natural selection favored rabbits that were resistant to the virus
Explanation:
Most likely, virus resistance occurred over time, as a consequence of mutation. Individuals that carried the resistance mutation become favourable by natural selection.
Natural selection is evolutionary mechanism which favours traits of an organism that help him survive and reproduce (increase organism's fitness). In the example above, resistant rabbits that survived had the favorable trait (resistance) by natural selection.
Adam Smith described self-interest and competition in a market economy as the "invisible hand" that guides the economy. This episode of the Economic Lowdown Podcast Series explains these concepts and their importance to our understanding of the economic system.
Explanation:
Chewing, grinding, pressing, salivating
When we chew, the tongue and the cheeks work together to constantly move the food between the teeth so that it can be chewed. The tongue presses the crushed food against the palate and moves this bolus, which is then ready to be swallowed, to the throat.
<span>When a body's host defenses are overwhelmed by contaminate, we start seeing biological responses to the invading bacteria. We may notice redness, swelling, oozing, pus, foul odor or warmth at the site of the wound. The host may also have an systemic fever, delirium or other responses when overwhelmed with bacteria.</span>
