Give an accout of flow of energy in an ecosystem.
Answers
Answer:
Energy enters an ecosystem from the Sun. Solar radiations pass through the atmosphere and are absorbed by the Earth's surface. When these green plants are consumed by herbivores, only 10% of the stored energy from producers is transferred to herbivores. ...
Explanation:
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Question:-
Give an account of flow of energy in an ecosystem.
Answer:-
Flow of energy in an ecosystem:-
1)Sun is the only source of energy for all ecosystems on earth , of the incident solar radiation less than 50 percent of it is photosynthetic ally active radiation (PAR).
2)Plants and photosynthetic bacteria fix sun's radiant energy to synthesize food from simple inorganic materials.
3)Plants capture only 2-10 percent of the PAR and this small amount of energy sustains the entire living world.
4)First law of thermodynamics:- All heterotrophs are dependent on the producers for their food either directly or indirectly. The law of conservation of energy is the first law of thermodynamics.
- It states that energy may transform from one form into another form but it is neither created nor destroyed.
5)The energy that reaches earth is balanced by the energy that leaves the surface of the earth as invisible heat radiation.
6)The energy transfer in an ecosystem are essential for sustaining life without energy transfer there could be no life in ecosystems living beings are the natural proliferation and that depend on the continuous inflow of concentrated energy .
7)II law of thermodynamics:- Ecosystems aur not exempted from the second law of thermodynamics it states that no process involving energy transformation will spontaneously occurs unless there is degradation of energy .
8)As per the second law of thermodynamics the energy is in the form of an available heat energy .
9)The organisms need constant supply of energy to synthesise the molecules they require the transfer of energy through a food chain is known as energy flow .
10)A constant input of mostly solar energy is the basic requirement for any ecosystem to function the important point to note is that the amount of energy available decreases at successive trophic levels .
11)When an organism dies it is converted to death letters are there in Biomass that serves as a source of energy for the decomposers organism that each trophic level depend on those at the lower trophic levels for their energy demands .
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