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Matching -Educational-Incentive Programs

question 46

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Matching
-Educational-incentive programs


Definitions:

Annelida

A phylum of segmented worms including earthworms, leeches, and their relatives, characterized by a segmented body and often a well-developed coelom.

Echinodermata

A phylum of marine animals characterized by radial symmetry, a calcareous endoskeleton, and a water vascular system, including starfish and sea urchins.

Mollusca

A diverse phylum of invertebrate animals with a soft body, which in many species is protected by a hard shell.

Barnacles

Marine crustaceans with hard protective shells, known for their sessile lifestyle attached to surfaces like rocks, ships, and whale skin.

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