What are the main classification of biomes? Aquatic Marine
Freshwater Deserts Forests Grasslands Tundra
Slide 4
What are Terrestrial Biomes? Biomes that are dominated by land.
Deserts Forests Grasslands Tundra
Slide 5
What characterizes a desert Biome? rainfall is less than 50
cm/year Usually specialized vegetation and vertebrate and
invertebrate animals. Often nutrient rich soil due to lack of water
and organic matter. Frequent disturbances: occasional fires or cold
weather, and sudden, infrequent, but intense rains that cause
flooding and erosion. few large mammals
Slide 6
What types of deserts are there? 1) Hot and dry 2) Semiarid 3)
Coastal 4) Cold
Slide 7
What characterizes grasslands? Dominated by grass (instead of
shrubs or trees)
Slide 8
What types of grassland are there? Savannas (tropical
grasslands) Temperate grasslands
Slide 9
What characterizes a tundra? Extremely cold climate Low biotic
diversity Simple vegetation structure Limitation of drainage Short
season of growth and reproduction Energy and nutrients in the form
of dead organic material Large population oscillations
Slide 10
What types of Tundras are there? Artic Tundra Alpine
Tundra
Slide 11
What characterizes a forest biome? Dominated by woody plants
(trees and shrubs)
Slide 12
What types of forest biomes are there? Tropical Temperate
Boreal (tiaga) Other classifications Wet or Dry Deciduous or
Evergreen
Slide 13
What is an Aquatic Ecosystem? An ecosystem dominated by
water.
Slide 14
What characterizes a Marine Biome? Mostly Salt water Cover of
the surface of the earth
Slide 15
What types of Marine ecosystems are there? Oceans Coral reefs
Estuaries
Slide 16
What are freshwater biomes? Less than 1% salt
concentration.
Slide 17
What types of freshwater biomes are there? Ponds and lakes
Raparian (rivers and streams) Wetlands
