• P. Calow


Invertebrates, like all other heterotrophic organisms, require food to supply the raw materials necessary for building the body and to supply energy to power movement and metabolism. Whatever its form or origin, food must therefore supply the following:


Dissolve Organic Matter Suspension Feeder Meal Size Gastric Mill Feeding Mechanism 
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© P. Calow 1981

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  • P. Calow

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