Freshwater and Marine Biomes — Unit test Answers

Which of the following adaptations helps alpine animals survive the cold winter?

The arctic tundra can be found in _______.

Which of the following changes in deciduous forests occurs in the winter?

The events that lead to genetic drift are _______.

Which of the following is a possible reason for migration?

Lions live in groups called prides. Lion populations would most likely fall in which category of population distribution?

Vines most successfully compete for sunlight in tropical rainforests by _______.

Organisms that live in the chaparral have developed unique adaptations that aid in their survival. The California quail is a small, plump game bird with short wings that can be found in the chaparral regions of California. These birds can only fly short distances, and typically take cover in shrubs or other low-growing plants. They are active in the morning and at night. Photo by Dcrjsr How is the California quail adapted to live in the chaparral biome?

The _______ is the total number of organisms that an ecosystem can support.

Which of the following adaptations does not protect tundra organisms from heat loss?

Which of the following did not allow researchers to further explore below the ocean’s surface?

Which of the following is a characteristic typically not used to classify biomes?

Why was the reduction of the bison population to under 1,000 individuals a bottleneck event for the species?

Deserts are only found near the equator.

The chaparral biome is best characterized by _______.

Less than 0.1% of the energy in a food chain generally makes it from the sun to quaternary consumers.

The taiga biome has three distinct seasons, while the alpine biome has only two.

Why are plants in the alpine biome typically low growing?

Which of the following is a characteristic differentiating tropical and temperate rainforests?

There are approximately 30,000,000 white-tailed deer in the United States, which covers 3,536,000 square miles. What is the population density, rounded to the nearest whole number, for the white-tailed deer?