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Biology chap 28

Across
___tubules are used to excrete waste
These help spiders grasp their prey
Back segment of a crayfish
Groups within social insect colonies
Openings to tracheal tubes
Process in which there is a change in shape & form
Chemicals used to communicate
Exoskeletons are made of this
Type of metamorphosis flies have
Part of an insect's body where legs are attached
Used for respiration in land-living arthropods (2 words)
Type of eye with more than one lens
Crayfish claw
Horseshoe crabs and arachnids are _______
Lobsters, crabs, crayfish
Type of circulatory system arthropods have
These help a crayfish swim
Down
Immature forms found in incomplete metamorphosis
These have 6 legs
Have segmented body and jointed appendages
These have a stinger on their tail
Front segment of a crayfish
Spider fangs
Worm-like animals that have 4 legs per body segment
Type of skeleton arthropods have
These help make spider webs
Type of metamorphosis butterflies have
Process in which the exoskeleton is replaced
These carry Lyme disease
____ lungs are used by spiders