Land Ecosystems

2. the process by which a plant or animal community successively gives way to another until a stable climax is reached.
3. forest, is a biome dominated by deciduous trees which lose their leaves seasonally.
7. effect, a region having little rainfall because it is sheltered from prevailing rain-bearing winds by a range of hills.
10. the height of an object or point in relation to sea level or ground level.
11. a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions.
12. succession, ecological succession that begins in essentially lifeless areas, such as regions in which there is no soil or where the soil
14. the angular distance of a place north or south of the earth's equator, or of a celestial object north or south of the celesti
15. species, are hardy species which are the first to colonize barren environments or previously biodiverse steady-state ecosystems
16. a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen.
18. a collection of plants and animals that have common characteristics for the environment they exist in
19. situated on or toward the side sheltered from the wind; downwind.
20. a dry, barren area of land, especially one covered with sand, that is characteristically desolate, waterless, and without veg

1. succession, in which plants and animals recolonize a habitat after a major disturbance
4. is a graphical representation of a location's basic climate.
5. a luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
6. The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life.
8. forest, A forest that grows in regions of the northern hemisphere with cold temperatures.
9. a large open area of country covered with grass, especially one used for grazing.
13. species, are plant species that can germinate and grow with limited resources, like they need heat exposure or low water availability
17. is the direction upwind from the point of reference, alternatively the direction from which the wind is coming.