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Arthropds and Enchinoderms

Across
Has one pair of legs per segment
Metamorphosis where the adult looks completely different at the end.
Centipede class
Has two pairs of legs per segment
Found in the crayfishes stomach
Baby spiders leave their nest and relocate
Free swimming larva of a crustecean
Type of communication by using pheromones.
System used by the sea star of open clams
Limbs that extend off of the main body.
Free swimming larvae of an echinoderm
Feet on the sea star that grips rocks.
Web weaving organ
Tubes where air travels from spiracles
Type of Communication by using flashes of light
Down
Feathery structures that diffuse oxygen for breathing
Material in covering that makes the exoskeleton strong
Arthropods that have 3 body sections and 3 pair of legs
Type of eyes with multiple lens
Shedding of exoskeleton
Millipede class
Large claws use for defense
Covers the Arthropods body
Phylum where insects are found
Modified fangs
Holes in the abdomen where air enters
Used in a spider to breath
Spider class
Appendage that attaches to the gills