ZOL 355 Lecture 2 Outline of Last Lecture I Types of Ecology Outline of Current Lecture II Biomes a primary control b secondary control c classifications Current Lecture I Biome a type of environment b major terrestrial vegetation type and associated organism dominated over a large geographic region i tropical rainforest vs a desert c primary controls i climate ii light temperature precipitation d secondary controls i topography and soil type e Low moisture desert xerophytes plant Cacti have evolved to i no leave less surface area for evaporation ii waxy skin to seal moisture in iii shallow roots iv store water in their stem v spines for shade f Tropical Biome 20 C i Rainforest 250cm ii desert 50cm iii Savannah is in between 250 and 50cm g Temperate biome 5 20 C i Rainforest 225cm 1 rarest biome on earth ii Seasonal forest 50 250cm iii Savannah 50 250cm iv desert 50cm h High Latitude 5 C i Boreal forest 50 200cm or more ii Tundra 100cm and 5 C
View Full Document
Unlocking...