An organism that takes without giving anything back. They live in/on a host.
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Give 4 examples of parasites.
Flea, head lice, tape worm and mistletoe.
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What do fleas do to it's host?
Feed by sucking the blood of it's host and reproduces quickly.
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What do head lice do to it's host?
**** blood from the human scalp, making them itch.
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What do tape worms do it's host?
Absorb nutrients from the intestinal wall. Host will suffer from malnutrition.
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What does mistletoe do to it's host?
Absorbs water and nutrients which reduces the host's growth.
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What is mutualism?
A relationship where both organisms benefit.
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Explain the mutualistic relationship between an oxpecker and a buffalo.
Oxpecker is a cleaner species and eats the ticks and maggots off the buffalo, which provides them with a source of food. Oxpecker also alerts buffalo of predators.
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Explain the mutualistic relationship of a cleaner fish and a larger fish.
Cleaner fish eat the dea skin cells and parasites off a larger fish. Cleaner can avoid being eaten by larger fish.
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Explain the mutualistic relationship between nitrogen-fixing bacteria and leguminous plants.
The bacteria get a constant supply of sugar from the roots of the plant. The plant gets all the essential nitrates from the bacteria.
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Explain the mutualistic relationship between a chemosynthetic bacteria and a giant tube worm.
Chemosynthetic bacteria turns chemicals supplied by the tube worms into food for both itself and the host.
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