Vocabulary Unit 4 - Land Ecoysystems

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Across
  1. 2. a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen.
  2. 5. the side sheltered or away from the wind.
  3. 6. a large open area of country covered with grass, especially one used for grazing.
  4. 7. the earth's most common and overall largest land-based biome.
  5. 13. plant species that can germinate and grow with limited resources, like they need heat exposure or low water availability.
  6. 15. the angular distance of a place north or south of the earth's equator, or of a celestial object north or south of the celestial equator, usually expressed in degrees and minutes.
  7. 17. the action or process of inheriting a title, office, property, etc..
  8. 18. a luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
  9. 19. an area of significantly reduced rainfall behind a mountainous region, on the side facing away from prevailing winds, known as its leeward side.
  10. 20. the side or direction from which the wind is blowing.
Down
  1. 1. a graphical representation of basic climatic parameters, that is monthly average temperature and precipitation, at a certain location.
  2. 3. a biome dominated by deciduous trees which lose their leaves seasonally.
  3. 4. the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms.
  4. 8. one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.
  5. 9. a large naturally occurring community of flora and fauna occupying a major habitat, e.g. forest or tundra.
  6. 10. type of ecological succession in which plants and animals recolonize a habitat after a major disturbance —such as a devastating flood, wildfire, landslide, lava flow, or human activity
  7. 11. a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions.
  8. 12. the height of an object or point in relation to sea level or ground level.
  9. 14. the first species to colonize bare earth after a disturbance, or when the environment is too harsh to allow for colonization by other species.
  10. 16. a barren area of landscape where little precipitation occurs and, consequently, living conditions are hostile for plant and animal life.