what are cheif charcaters of crstaceans
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- Usually marine aquatic arthropods.
- Head and thorax fused to form cephalothorax.
- Cephalothorax usually covered by single large carapace.
- Two pair of antennae (only arthropod with two pairs of antennae)
Explanation:
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Some Characteristics of Crustaceans:
A hard exoskeleton made of calcium - no internal skeleton.
The head has two compound eyes, two pairs of antennae, and three pairs of mouthparts.
A pair of green glands excrete wastes near the base of antennae.
The abdominal segments have swimmerets (swimming legs)
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