Test 9 (over Lab 8) Flashcards
What are tagmata?
fused body segments
What traits define Phylum Anthropoda?
Jointed appendages, hardened exoskeleton, tagmata, lay eggs
What are chelicerae used for?
Feeding/ tearing
What is a cephothorax?
Fused head and body segments
What traits define class Crustacea?
Appendages are biramous, 2 or 3 tagmata, compound eyes, gills, carapace
What does biramous mean?
Double branched
What classes have uniramous appendages?
Chilopoda, Diplopoda, Insecta
What tagmata do centipedes and millipedes have?
Head and segmented trunk
Benefit of complete metamorphosis?
Prevents resource competition between juveniles and adults
Adaptive advantages of wings?
Escape predators, food scavenging, migration
What is a telson?
Tail
What is a carapace?
Under layer
What are chelicerae?
Bran by things inside crab
What are pedipalps?
The special separate little arms on spider and crab
What are chelipeds?
Special grabby arms on lobster in class Crustacea
Simple eyes are called what?
Ocelli