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Environmental balance.
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What happens if there is no predation ?
The number of prey will increase , so the food resources become insufficient for the prey that lead to competition between them , so prey will die .
What happens if there were no saprophytes in the ecosystem ?
The earth surface will be covered with the bodies of dead organisms.
Benefits of saprophytes (Bacteria )
Food industry : In making cheese, bread, yoghurt, vinegar Drugs industry : In making antibiotics.
It is the balance among the components of ecosystem .
Environmental balance.
It is any natural area including living organisms and non-living organisms and their interaction.
Ecosystem
The parasite lives externally on the host’s body and feeds by sucking the blood of the host .
External parasite.
The food relationship between sponge and tiny aquatic living organism.
Commensalism
It is the food relationship in which each saprophytes(decomposers) get benefit by decomposing food remains or bodies of dead organisms .
Saprophytism.
....................,.......................and...................... are the types of symbiosis .
Mutualism - commensalism - parasitism
Food relationship between nodular bacteria and leguminous plants is .......................
Mutualism
A phenomenon in which the harmless living organisms imitate other harmful living organisms to frighten their enemies and escape from them .
Mimicry
..................... protects itself by camouflage phenomenon .
chameleon.
The ...................... is the predator .
Plant (dionaea)
The food relationship between the cat and the rat is .........................
predation
Green plants are called .................... organisms
autotrophic
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