AP Bio Exam

According to the graph, the increase in CO2 concentrations, in parts per million, between 1970 and 1990 is closest to

25 ppm

The pH at which 50 percent of the Daphina survive after 2 hours o exposure can be predicted frrom the data. This pH is closest to _________

4.5

The pH at which 50 percent of the Daphnia survive after 2 hours o exposure can be predicted from the data. This pH is closest to _________

4.5

On the basis of the data, the best prediction of the pH of the water in which Daphnia normally are found in the wild is ________________

7.0

The land on a 100-acre farm is equally suited for grazing cattle and growing corn. Of the following ways of distributing land use, which would produce the greatest number of calories for human consumption?

Cattle: 0 Corn: 100

Which of the following is the central concept of the situation described above?

Defensive adaptation

Which of the following best represents a logical conclusion based on the data presented in this graph?

The population of the prey is greater than that of the predator.

In a mature forest of oak, maple, and hickory trees, a disease causes a reduction in the number of acorns produced by oak trees. Which of the following would LEAST likely be a direct result of an increase in diseased acorn

There might be a decrease in the number of maple seeds as the disease spreads to other trees in the forest.

Which of the following is more susceptible to damage from some sort of ecological disturbance?

a corn field

Traveling southward from the Arctic regions of Canada to the tropics of Panama, one passes through several biomes: tundra, coniferous forest, temperate deciduous forest, and tropical rain forest. This pattern of change in vegetation is primarily the result of _____________

an increase in both mean annual temperature and mean annual precipitation.

The increases in carbon dioxide levels can be attributed to

an increase in the burning of fossil fuels

For most terrestrial ecosystems, pyramids of numbers, biomass, and energy are essentially the same they have a broad base and a narrow top. The primary reason for this pattern is

at each step, energy is lost from the ecosystem as a result of keeping the organisms alive

The banding pattern of viceroy butterflies is an example of _______

mimicry

All of the following statements about the food web diagram above are correct EXCEPT

the death of the snake would cause a collapse in the food web

The conspsicuous banding of monarch butterflies is a example of ___________

warning coloration