Crustaceans are a large group of arthropods, consisting of almost 52,000 species. The majority of crustaceans are aquatic. Some live in the ocean, while others live in fresh water.
CK-12 (Middle School)
How have scientists further classified arthropods and even more specifically, crustaceans?
RST.1 - Analysis & Evidence, RST.2 - Main Ideas
DEPTH OF KNOWLEDGE (DOK) LEVELS:
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