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Abiotic factors final ppt
- 2. WHAT IS ECOSYSTEM? Anecosystem is a community of living organisms in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system.
- 5. WHAT DO YOUMEAN BY ABIOTIC FACTORS? In biology and ecology, abiotic components or abiotic factors are non- living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems. Abiotic factors and phenomena associated with them underpin all biology.
- 6. WHAT ARE THEDIFFERENT TYPES OF ABIOTIC FACTORS?
- 7. Sunlight is aportion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. SUNLIGHT
- 8. AIR ATMOSPHERE Atmosphere is alayer of gases surrounding a planet or other material body of sufficient mass that is held in place by the gravity of the body.
- 11. WATER WATER Water covers 71%of the Earth's surface. It is vital for all known forms of life. On Earth, 96.5% of the planet's crust water is found in seas and oceans, 1.7% in groundwater, 1.7% in glaciers and the ice caps of Antarctica and Greenland, a small fraction in other large water bodies, and 0.001% in the air as vapor, clouds
- 13. SOIL SOIL Soil is themixture of minerals, organic matter, gases, liquids, and the countless organisms that together support life on Earth.
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- 17. TEMPERATURE TEMPERATURE A temperature isan objective comparative measure of hot or cold. It is measured by a thermometer.
- 20. ABOTIC INFLUENCE ONECOSYSTEM Abiotic factors such as temperature, light, and soil can influence a species’ ability to survive. Every species is able to survive within a range of each of these factors. This range is called the species’ tolerance range. Near the upper and lower limits of the tolerance range, individuals experience stress. This will reduce their health and their rate of growth and reproduction.
- 22. ROLE OF ABIOTICFACTORS IN COMMUNITY ORGANIZATION Determine the abiotic factors that affect plant growth: Primary production,on which almost all of life on earth is dependent,occurs through either photosynthesis or chemosynthesis. Warm and wet climates have the greatest amount of plant biomass because they offer conditions in which photosynthesis,plant growth, and the resulting net primary productive and highest.
- 23. SOME OTHER ABIOTICCOMPONENTS Natural disturbances:Like annual flooding,fire,strom,lightning also influence the ecosystem and biotic components. pH value:Most of the organisms live in neutral and nearly neutral condition.Some plants like maize grow well in acidic condition and some plants like coconut grow well in alkaline conditions. Humidity: The humidity in air affects the rate of transpiration in plants and animals.In low level humidity water evaporates faster. Humidity is lower during day and higher during night.
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