Chapultepec, Battle of, and Capture of Mexico City (1847<span>).By </span>12 September 1847<span>, the Mexican War was almost over; the Americans had been victorious in every major engagement, New Mexico had surrendered, U.S. forces had subdued Upper California, and Maj. Gen. Winfield Scott and 7,000 U.S. troops were camped outside </span>
Answer:
Bottle neck effect
Explanation:
Any disaster could lead to sudden decrease in population of an organism thereby decreasing its gene pool. Such disasters triggers genetic drift commonly termed as bottleneck effect.
Due to decrease in the population, the frequency of occurrence of any specific trait reduces as the frequency of alleles responsible for any certain trait also reduces.
Since habitat loss will cause reduction in both space and resources for giant pandas and hence a large number of pandas will die thereby reducing the gene pool and hence frequency of an allele.
Answer:
Teenage dating today is largely unregulated by parents. Kids have access to technology that allow them to fly under the radar while continuing talking. Courting was very restricted and structured. All meeting were supervised and limited