GMAT Exam Dumps - Graduate Management Admission Test (2022)

Because of the positive correlation across animal species between body size and home range size, researchers suspected that body size of female mallards (a species of duck) may influence their home range size. The researchers also reasoned that younger females may be forced into less suitable habitats by older females competing with them for optimal areas, with the younger females compensating by having larger home ranges. However, their research supported neither suspicion. The failure to detect variation of range size according to body size may be due to other, undetermined mallard attributes (for example, body condition) that may have been a significant factor affecting home range size. The fact that most yearling females can breed may help to explain why the expected age effect was not confirmed, since home range size may be affected by breeding capability.

The researchers did find, however, that home range size of females was Inversely related to the percentage of the study area composed of seasonal or semipermanent wetlands. This may have been because of reduced competition for breeding space within the species when more of the wetlands were present. They also found home range size to decrease somewhat as the percentage of wood-shrub habitat increased, suggesting that reduction in visual contact among mallard pairs may reduce interaction and thus reduce competition among breeding pairs.

The author's purpose in making the statement that most yearling female mallards are able to breed is most likely in order to

In 90 percent of the commercial airline accidents last year, one or another of a group consisting of only 18 percent of the world's commercial airlines was involved. Since the other 82 percent of airlines were generally flying the same types of airplanes as the accident-prone airlines, significant differences in safety procedures must have been responsible for these differences In safety records.

Which of the following, if true about the world's commercial airlines last year, most seriously weakens the argument above?

A meteorite found in the Alan Hills ol Antarctica is only the tenth meteorite known to have originated from Mars and the first one known to be farmed beneath the Martian surface.

At 10-year intervals from 1950 through 2010, the graph shows the total number of passengers, in millions, on the railway system of Nation X. From each drop-down menu, select the option that creates the most accurate statement based on the information provided.

Two positive integers, A and B, each yield the same remainder when divided by 4. Furthermore, A is less than IS. In the table, select values for A and 5that are jointly consistent with the given information. Make only two selections, one in each column.

Researchers studying long-term changes In regional mouse populations have found that by focusing on the populations of a rare but widespread and easily identifiable species of mouse (Species X), they can make fairly accurate estimations about the total regional mouse populations.

In a report on a recent study that Included the data tables that follow, the researchers provided some addenda:

1. The Species X population of Region CV increased by 123,995 between 1990 and 2005.

2. In contrast, the Species X population of Region EW declined by about 52% during that same time.

For each of the following regions, select Ye$\i the region's Species X population decreased from 1960 to 1975 AND the region's total mouse population exceeded 50 million In 1975. Otherwise, select No.

A certain municipality is deliberating over whether it will adopt a policy that would require it to have a balanced budget each year. Proponents prefer the policy because it would keep the municipality from spending more money than it receives, but critics argue that the policy should allow for exceptions so the municipality can respond to crises that might temporarily require spending beyond that amount.

From among the options below, select for Response to the critics and for Reply to that response two statements such that the first, if true, most strongly undermines the critics' argument and the second, if true, is the critics' strongest reply to that response. Make only two selections, one in each column.

A scientist collected eight samples (Samples 1-8) from various surfaces in a laboratory to test for the presence of defferent types of bacteria For each of the samples, the graph shows the relative abundance of each of three types of bacteria (Bacteria X, Y, and Z) detected in the sample, as a percentage of all Bacteria X, Y, and Z detected In the sample.

Select the options from each drop-down menu that create the most accurate statement based on the information provided.