Ecology PDF

organisms. diverse The discipline scientific...

organisms. diverse The discipline scientific to thededicated matter organic particles, known is of soil study both (i.e. pedology. as dead), and living Constitutes SOM biologically Soil air. and water a is the matrix active weathered uppermnost layer home of and the of Soil mixture of It Earth's ais crust. rock mineralweathered environment Physical 7.1.1 factors decomposers. consumers producers, encompass and temperature, pH,levels, sunlight assuch factors include factors In bioticcontrast, composition. soil andsalinity influences that biotic, environmental (ofactor r calledorganisms is living Abioticecofactor). factor orecological surrounds an thatabiotic) aswell (biotic aseverything includes surroundings. It abiotic Any or factor, organism. etymologically means 'environment' interdependent. term The dynamic and environmentsare and their Organisms Environment The 7.1 works. nature the how aboutquestions answer attempts to thatscience the nature. is It organisms in distribution of abundance and the cause of andpattern the and other with each organisms interaction of environments, the their organisms and living betweenrelationships describes the surroundings', Ecology organisms relations their to andanother one to of including the environment natural the study of 'the ecology (meaning the logos as defined Haeckel of). study E and place' 'd) welling ' house' or(meaning oikos words. Greek Haeckel in Ernstbiologist German the fromderived is 1869. 1t relationships used by first 'ecology' was word hierarchical, The environment. These their organisms and varied complex, are and between relationships the study scientific of the Cology Is  Soil composition in the soil include sand orvanK Matters, ait and water. Mineral particles The soil is composed of minera Nartites, andclay in a mm), sit (0.002-0.05 mm) and ckey (