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What pH should a solution have if its pH is about the same as that of vinegar?
Pupa
A stage in the development of an insect, between the larva and the imago (adult); a form that neither moves nor feeds and may be in a cocoon.
Polychaetes
Marine annelid worms known for their bristled segments, diverse in marine environments.
Parapodia
Paired, lateral appendages found on each segment of polychaetes and some other annelids, used for locomotion and sometimes respiratory functions.
Radula
A rasping, tongue-like organ found in many molluscs, used for feeding by scraping or cutting food before ingestion.
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