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4 3 biomes(biology)
 

4 3 biomes(biology)

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    4 3 biomes(biology) 4 3 biomes(biology) Presentation Transcript

    • 4-3 Biomes
    • Biome
      Group of ecosystems that have the same climate and dominant communities
    • Tolerance
      Organism’s capacity to grow or thrive when subjected to an unfavorable environmental factor.
    • Microclimate
      Climate within a small area that differs significantly from the climate of the surrounding area
    • Canopy
      Dense covering formed by the leafy tops of tall rain forest trees.
    • Understory
      Layer in a rain forest formed by shorter trees and vines
    • Deciduous
      Term used to refer to a tree that sheds its leaves during a particular season each year
    • Coniferous
      Term used to refer to trees that produce seed-bearing cones and have thin leaves shaped like needles.
    • Humus
      Material formed from decaying leaves and other organic matter
    • Taiga
      Biome in which the winters are cold but summers are mild enough to allow the ground to thaw
    • Permafrost
      Layer of permanently frozen subsoil in the tundra
    • Key Concept
      The world’s major biomes include tropical rain forest, tropical dry forest, tropical savanna, desert, temperature grassland, temperature woodland and shrubland, temperature forest, northwestern coniferous forest, boreal forest, and tundra. Each of these biomes is defined by a unique set of abiotic factors- particularly climate- and a characteristic assemblage of plants and animals.