Examlex
The base unit for volume in the metric system is liter (L).
Echinoderms
Invertebrates with a water–vascular system, and hardened plates and spines in the skin or body.
Annelids
A phylum of invertebrate worms characterized by segmented bodies and often found in moist environments; includes earthworms, leeches, and polychaetes.
Arthropods
represent the largest phylum of animals, including insects, arachnids, and crustaceans, characterized by exoskeletons and segmented bodies.
Oligochaete
A subclass of annelid worms, characterized by having few chaetae (bristles) per segment, such as earthworms.
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