Biomes - Week 4
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Biome
The plants and animals that around found in a particular region of the world
Terrestrial biome
a geographic region of land categorized by a particular combination of average annual temperature, annual precipitation, and distinctive plant growth forms
Littoral zone
the shallow zone of soil and water in lakes and ponds near the shore where most algae and emergent plants such as cattails grow
Aquatic biome
an aquatic region characterized by a particular combination of salinity, depth, and water flow
Habitat
an area where a particular species lives in nature
Tundra
a cold and treeless biome with low growing vegetation
Permafrost
an impermeable, permanently frozen layer of soil
Taiga
a forest biome made up primarily of coniferous evergreen trees that can tolerate cold winters and short growing seasons. Also known as a boreal forest.
Temperate rainforest
a coastal biome typified by moderate temperature and high precipitation
Temperate seasonal forest
A biome with warm summers and cold winters over 1m of annual precipitation
Shrubland
a biome characterized by hot, dry summers and mild, rainy winters. Also known as woodland.
Temperate grassland
a biome characterized by cold, harsh winters, and hot, dry summers. Also known as cold desert.
Freshwater biomes
characterized as streams and rivers, lakes and ponds, or freshwater wetlands
Tropical rainforest
a warm and wet biome found between 20oN and 2oS of the equator, with little seasonal temperature variation and high precipitation
Savanna
a biome marked by warm temperatures and distinct wet and dry seasons. Also known as tropical seasonal forest.
Hot desert
a biome located at roughly 30oN and 30oS and characterized by hot temperatures, extremely dry conditions, and sparse vegetation
Limnetic zone
a zone of open water in lakes and ponds as deep as the sunlight can penetrate
Phytoplankton
floating algae
Profundal zone
a region of water where sunlight does not reach, below the limnetic zone in very deep lakes
Benthic zone
the muddy bottom of a lake, pond, or ocean beneath the limnetic and profundal zones
Oligotrophic
describes a lake with low level of phytoplankton due to low amounts of nutrients in the water
Mesotrophic
describes a lake with a moderate level of fertility
Eutrophic
describes a lake with a high level of fertility
Freshwater wetland
an aquatic biome that is submerged or saturated by water for at least part of each year, but shallow enough to support emergent vegetation