Biology: The Dynamics of Life, North Carolina 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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