Biology 2015

The seasons are best explained by
a. the distribution of temperature and rainfall in biomes.
b. the tilt of the Earth as it orbits about the sun.
c. the daily rotation of the Earth on its axis.
d. the fact that the equator is warm and the poles are cold

Which region on Earth receives the largest amount of direct solar radiation throughout the year?
a. Northern Hemisphere above 60°
b. Northern Nemisphere between 30° and 60°
c. Southern Nemisphere below 60°
d. Southern Nemisphere between 30° and 60°
e. the equator, between 30° north and 30° south

Why are lush evergreen forests present in the Pacific Northwest of the United States?
a. The rotation of the Earth causes this.
b. Winds blow from the ocean, bringing moisture.
c. They are located on the leeward side of a mountain range.
d. Both b and c are correct.
e. All of these are correct

Which biome is associated with the rain shadow of a mountain?
a. desert
b. tropical rain forest
c. taiga
d. coniferous forest
e. chaparral

Which of these influences the location of a particular biome?
a. latitude
b. average annual rainfall
c. average annual temperature
d. altitude
e. All of these are correct.

What is the geographic distribution of a temperate deciduous forest?
a. the northern part of North America and Eurasia
b. just south of the polar caps in the Northern Hemisphere
c. eastern North America and eastern Asia
d. near the equator in South America and Africa
e. central United States and central Asia

Which of these pairs is mismatched?
a. tundra—permafrost
b. savanna—Acacia trees
c. prairie—epiphytes
d. coniferous forest—evergreen trees

All of these phrases describe the tundra except
a. low-lying vegetation.
b. northernmost biome.
c. short growing season.
d. many different types of species.

The forest with a multilevel canopy is the
a. tropical rain forest.
b. coniferous forest.
c. tundra.
d. temperate deciduous forest

An estuary acts as a nutrient trap because of the
a. action of rivers and tides.
b. depth at which photosynthesis can occur.
c. amount of rainfall received.
d. height of the water table.

Phytoplankton are more likely to be found in which life zone of a lake?
a. limnetic zone
b. profundal zone
c. benthic zone
d. All of these are correct.

The mild climate of Great Britain is best explained by
a. the winds called the westerlies.
b. the spinning of the Earth on its axis.
c. Great Britain being a mountainous country.
d. the flow of ocean currents

El Niño
a. prevents the ocean current from upwelling.
b. causes stagnation of the nutrients.
c. changes global climate patterns.
d. decreases the local fisheries.
e. All of these are correct.