Ecology

ECOLOGY: PRINCIPLES OF ECOLOGY INCLUDES: Ecology of abiotic agentive roles, individual organisms, populations, interaction among species, communities, ecosystems, biomes and biosphere. the field of study of the all the inter-relationships between living organisms and their surroundings. LEVELS OF ORGANIZATION: - Organisms - Populations - Communities - Ecosystem - Biome - Biosphere CHARACTERISTICS OF A race * Population size = number of individuals making up its piece pool * Population density = number of individuals per unit of knowledge domain or volume, (persons/square mile) * Population distribution = the general kind in which the population members are dispersed 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 era: Pre-reproductive, Reproductive, and Post-reproductive * Zero popula tion growth designates a contiguous counterweight 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 = post of increase and N= the number of individuals. * Biotic capability - the maximum 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 strate gian: - dangerous colonizers, reach maturi! ty rapidly, short-lived, high fecundity, low care for young. K- Selected strategist: - light colonizers, slow maturity, long-lived, low fecundity, high care for young, well-behaved competitors. Characteristics of Taiga (Coniferous or boreal Forests) : 2nd largest forest in the domain 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

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