Phylum Arthropoda: Station 7This group includes spiders, ticks,

insects, and crustaceans and more. This group is the largest group of animals on earth. In fact 75% of all animals are arthropods.

This group may have many joints in their legs, a segmented body, an exoskeleton and a very well developed nervous system.

Stag Beetle: Class Insecta

Phylum Arthropoda

King Crab: Class Crustacea Stag Beetle: Class Insecta

Lynx Spider: Class Arachnida

Millipede: Class Millipede

Centipede: Class Centipede

Arthopod Samples and Classification StructuresKingdom: Animalia

◦ Phylum Arthropoda Common Name = insects (class insecta), spiders (class

arachnid), crayfish and lobster (class crustacea), rolly polly bugs, scorpians, trilobites (extinct) millipedes and centipedes.

Reproduction = Mostly Sexual (two parents) Symmetry = Bilaterally Symmetrical Classification Structures

1. Have many cell layers2. Have tissues and organs. 3. Havemany cells, a body cavity, 3 to 400 + pairs of jointed legs, an

exoskeleton, 4. Have 2 or 3 body sections,

Samples: 7A = Class Crustacea (crayfish) 7B = Class Insecta (lubber grasshopper) 7C = Class Merostomata (Horseshoe crab) 7D = Class Trilobite. THIS ONE IS EXTINCT.