BIOL150 Chapter Notes - Chapter 4: Fouquieria Splendens, Stoma, Primary Production
20 Jul 2016
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Biomes is defined as major groupings of plants and animal communities defined by a dominant vegetation type: each biomes is associated with a distinctive set of abiotic conditions. Also pushes organisms around (birds, plants, flying insects) Plant distribution and abundance mostly affected by temperature and moisture. Nature of biome is governed by: average annual temperature and precipitation, annual variation in temperature and precipitation. Why presence of vines and epiphytes increases productivity of tropical wet forests - Vines and epiphytes increase productivity because they are photosynthetic organisms that fill space between small trees and large trees- they capture light and use nutrients that might not be used in a forest that lacked vines and epiphytes. Breaking dormancy and growing rapidly in response to any rainfall (ocotillo) Why most desert plants species have no leaves or leaves with a small surface area. Most leaves have a large surface area to capture light.
