Succession — Cumulative exam Answers

Desert plants are often widely spaced due to competition for rainwater.

Salt glands allow desert animals to reduce their water loss due to _______.

Which characteristic best distinguishes quantitative data from qualitative data?

How can an increase in biodiversity lead to an increase in ecosystem stability?

Organisms that live in the savanna and grassland biomes have developed unique adaptations that aid in their survival. Which of the following organisms is most likely to be found in a grassland?

Which is an example of a way in which science has improved a societal problem?

Omar studies the effects of a drought on the depth of water in a pond. He takes a reading of the water depth at the same location in the pond every day for the duration of the drought. Which method of displaying data would he most likely use to show changes in water depth?

Yellowstone National Park has an average of about 4500 bison living in it. The park covers 3472 square miles. What is the population density of bison living in Yellowstone?

What is the first way in which biology researchers present the results of their latest research?

Butterflies laying their eggs on milkweed plants occurs at what level of the biosphere hierarchy?

All wetlands are considered freshwater ecosystems.

What is one purpose for the peer-review process in scientific research?

Which of the following statements about the tundra is not true?

A scientist tracked the summer eating habits of brown bears. His results are shown in the graph below.If the brown bears’ reliance on leaves increased by 14 percent, how would the combined total of all the percentages be affected?

A plant native to the chaparral would be expected to _______.

The introduction of Caulerpa, also known as killer algae, into California was ultimately the result of _______.

Which of the following is the adaptation that allows animals to survive in high altitudes, which contain lower levels of oxygen?

Cranberries and grapes may have therapeutic value. A cranberry company obtained the patent for a process to extract the oil from cranberry seeds. According to the patent, this oil can be used to treat breast cancer or to reduce its incidence. The oil can be used in drinks and foods. A grape juice company claims to have evidence that certain grapes have health benefits ranging from improving cardiovascular health to improving cognitive brain function in the elderly. These claims will be tested by the Food and Drug Administration (FDA) before the companies are allowed to market their products for “treating” ailments or “improving” health. Until then, the companies can describe that their products “help to maintain” or “support” health. Until studies support their claims, the companies cannot ascribe direct health benefits to their products.Why would the FDA perform tests when a cranberry company and a grape company have already conducted research on the same products?

Which of the following adaptations would you expect to find in an animal in the alpine biome, but not in the taiga?