Ecology

ECOLOGY: PRINCIPLES OF ECOLOGY INCLUDES: Ecology of abiotic work outs, individual organisms, populations, interaction among species, communities, ecosystems, biomes and biosphere. the flying field of the all the inter-relationships between living organisms and their surroundings. LEVELS OF ORGANIZATION: - Organisms - Populations - Communities - Ecosystem - Biome - Biosphere CHARACTERISTICS OF A people * Population size = number of individuals making up its fraction pool * Population density = number of individuals per unit of playing field or volume, (persons/square mile) * Population distribution = the general pattern in which the population members are discharge through its habitat, whitethorn be: Clumped (most common), uniformly dispersed (rare), or Randomly dispersed * Age structure defines the relative proportions of individuals of from each one mature: Pre-reproductive, Reproductive, and Post-reproductive * Zero popu lation growth designates a contiguous offset of births and deaths * Exponential growth: If birth and death judge of a population remain constant. * Population Growth: G = rN G = population growth per unit time, r = judge of increase and N= the number of individuals. * Biotic capability - the maximal rate of increase under ideal conditions. * moderate factor - any resource that is in short supply.

* Carrying susceptibility - max. # of individuals a population can sustain. * Density-independent factors: adverse weather, floods, droughts, cold temperatures r- Selected strategian : - right(a) colonizers, reach maturity ! rapidly, short-lived, high fecundity, low care for young. K- Selected strategist: - light colonizers, slow maturity, long-lived, low fecundity, high care for young, goodly competitors. Characteristics of Taiga (Coniferous or boreal Forests) : 2nd largest forest in the populace Ring Artic between Artic and broad-leafed Forest 50 to 60 degrees North Latitude Upper elevations of Mountains ...If you pauperization to get a full essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay