019-Planktivory - Planktivory Sponges Jellyfish Filter...

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Planktivory
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Sponges
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Filter feeding in Aurelia (Moon Jelly) Jellyfish
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Corals Hermatypic Ahermatypic
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Bivalves
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lancet
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Christmas tree worms
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Filter feeding in Krill the six thoracopods form a very effective "feeding basket"
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Barnacle feeding Modified legs
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Predator Filter feeder Oikopleura tunicate
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Planktivory Suspension feeders : Animals that process large quantities of water through a feeding apparatus (gill rakers, baleen). Gill rakers trap particles such as zooplankton, phytoplankton and detritus.
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Baleen
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Includes: manta rays, basking shark, whale shark, megamouth, paddlefish, gizzard shad, menhaden, and bighead carp.
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Flamingo
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Feeding strategies: A) Obligate and faculative planktivores : Most fish are planktivorous at some point in their life, either as holoplankton or meroplankton. Facultative planktivores : (ex. sunfishes) are opportunistic feeders. Prey selection depends on food availability Obligate planktivores : (ex. blueblack herring, Atlantic Menhaden) feed exclusively on plankton
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B) Ram feeding and suction feeding Ram feeding : creates a forward motion in which water is delivered into the mouth; opens mouth wide as possible and rams prey continuous ram feeders intermittent ram feeders Suction feeding : predator remains relatively stationary, comes close to prey and then sucks prey in.
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