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15
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The parasite lives externally on the hostโs body and feeds by sucking the blood of the host .
External parasite.
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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 .
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eraser
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gift
Win 20 points!
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gift
Win 25 points!
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banana
Go to last place!
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5
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The food relationship between the cat and the rat is .........................
predation
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What happens if there were no saprophytes in the ecosystem ?
The earth surface will be covered with the bodies of dead organisms.
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It is the food relationship in which each saprophytes(decomposers) get benefit by decomposing food remains or bodies of dead organisms .
Saprophytism.
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banana
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fairy
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25
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gift
Win 15 points!
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thief
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5
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Food relationship between nodular bacteria and leguminous plants is .......................
Mutualism
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..................... protects itself by camouflage phenomenon .
chameleon.
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It is any natural area including living organisms and non-living organisms and their interaction.
Ecosystem
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The ...................... is the predator .
Plant (dionaea)
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The food relationship between sponge and tiny aquatic living organism.
Commensalism
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eraser
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fairy
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25
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gift
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lifesaver
Give 25 points!
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It is the balance among the components of ecosystem .
Environmental balance.
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Benefits of saprophytes (Bacteria )
Food industry : In making cheese, bread, yoghurt, vinegar Drugs industry : In making antibiotics.
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5
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A phenomenon in which the harmless living organisms imitate other harmful living organisms to frighten their enemies and escape from them .
Mimicry
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