Biology: The Dynamics of Life, California Edition

Section 2: Biomes

Biomes

1.
Which of these statements is true?
A)Grasslands are identified by their permanently frozen ground called permafrost.
B)Deciduous forests are populated with broad-leaved hardwood trees that lose their foliage every year.
C)Tropical rain forests are communities that occur in climates that have a defined dry season with rainfall totals less than 50 cm of rain per year.
D)The soils in tundras usually have a large humus content.
2.
Which marine biome is characterized by deep water depths that never receive sunlight?
A)a lake
B)a bog
C)an aphotic zone
D)an estuary
3.
Which of these is a characteristic of a tropical rain forest?
A)populated with squirrels, bears, and deer
B)location close to the Equator
C)relatively few trees per hectare
D)short, mild summers
4.
The portion of the shoreline that lies between the low tide line and the high tide line is called the __________.
A)aphotic zone
B)intertidal zone
C)estuary
D)wetlands
5.
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This graph shows annual precipitation versus temperatures for various biomes. Based on the data in the graph, which biome has annual precipitation between 275-325 cm?
A)savanna
B)desert
C)temperate rain forest
D)tundra
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