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ABIOTIC FACTORS...

ABIOTIC FACTORS

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ABIOTIC COMPONENTS

Organisms and Populations :Ecology, Ecological Hierarchy, Levels OF Biological Organisations, Biomes, Major Abiotic Factors, Responses to Abiotic Factors, Adaptations Population and Population Attributes Growth Models Age Pyramids

Introduction, Abiotic and Biotic Factors and Biomes

Abiotic and Biotic Factors | Soil texture | Mimicry | Populations Density

Assertion: Temperature, water, light and soil are major abiotic/physico-chemical factors. Reason: Water is most ecologically relevant environment factor.

Which of the following are correct ? I. Population is group of individual organisms of the same species in a given area. II. An ecotype is a population of inidividuals of a species, which are genetically different. III. Environment is influnced by many biotic and abiotic factors. IV. Ecade is a place, where and organism lives.

Mark the correct statements about major abiotic factors . I . Temperature on land veries seasonally, increase progressively from the equator towards the from plains to the mountain tops . II. Light is important in animals as they use the diurnal seasonal variations in light intensity and duration as cues for timing their forging, reproductive and migratory activities. III. Various characteristics of the soil such as soil composition, grain size and aggregation determine the percolation and water holding capacity of the soils . IV. The salt concentration is more than 5% in inland waters

How ‘Temperature’ as an abiotic factor plays a role in ecology?

(A) : Light is an important abiotic factor. (R) : Life is not possible without light.