Which feeding strategy do oysters primarily use?

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Prepare for the Aquaculture Technician Certification Test. Study with flashcards and multiple choice questions, each question offering hints and explanations to ensure you are ready for your exam!

Multiple Choice

Which feeding strategy do oysters primarily use?

Explanation:
Oysters are sessile filter feeders. They draw water in through their siphons and pass it over their gills, where mucus and cilia trap plankton and other microscopic particles. The captured food is then moved to the mouth for digestion. This use of a specialized filtering system to sieve food from the water is what defines filter feeding. They don’t graze on surfaces or hunt prey, and they don’t feed by simply suspending particles without filtering them, so filter feeding is the best description for their feeding strategy.

Oysters are sessile filter feeders. They draw water in through their siphons and pass it over their gills, where mucus and cilia trap plankton and other microscopic particles. The captured food is then moved to the mouth for digestion. This use of a specialized filtering system to sieve food from the water is what defines filter feeding. They don’t graze on surfaces or hunt prey, and they don’t feed by simply suspending particles without filtering them, so filter feeding is the best description for their feeding strategy.

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