Ecology

ECOLOGY: PRINCIPLES OF ECOLOGY INCLUDES: Ecology of abiotic elements, individual organisms, populations, interaction among species, communities, ecosystems, biomes and biosphere. the bailiwick of the all the inter-relationships between living organisms and their surroundings. LEVELS OF ORGANIZATION: - Organisms - Populations - Communities - Ecosystem - Biome - Biosphere CHARACTERISTICS OF A clan * Population size = number of individuals making up its parting pool * Population density = number of individuals per unit of eye socket or volume, (persons/square mile) * Population distribution = the general copy in which the population members are scatter 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 date: Pre-reproductive, Reproductive, and Post-reproductive * Zero population growth des ignates a contiguous proportionateness 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 = put 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: - dangerous c olonizers, 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, devout competitors. Characteristics of Taiga (Coniferous or boreal Forests) : 2nd largest forest in the humankind 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: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper