Ch.6 Flashcards
biome
a large region characterized by a specific type of climate and certain types of plant and animal communities.
climate
the average weather conditions in an area over a long period of time
latitude
the distance north or south from the equator; expressed in degrees
altitude
the height of an object above a reference point, such as sea level or the Earth’s surface
tropical rain forest
a forest or jungle near the equator that is characterized by large amounts of rain and little variation in temperature
emergent layer
the top foliage layer in a forest where the trees extend above surrounding trees
canopy
the layers of treetops that shade the forest floor
epiphyte
a plant that uses another plant for support, but not for nourishment
understory
a foliage layer that is beneath and shaded by the main canopy of a forest
taiga
a region of evergreen, coniferous forest below the arctic and subarctic tundra regions
savanna
a plain full of grasses and scattered trees and shrubs; found in tropical and subtropical habitats
temperate grassland
a biome that is dominated by grasses, few trees, and is characterized by cold winters and rainfall that is intermediate between that of a forest and a desert
chaparral
a type of vegetation that includes broad-leafed evergreen shrubs and that is located in areas with hot, dry summers and mild, wet winters
desert
a region that has little or no vegetation, long periods without rain, and extreme temperatures
tundra
a treeless plain located in the Arctic