HORSESHOE CRAB 1. 2 body parts – cephalothorax and abdomen. 2. Long pointed tail.
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Transcript of HORSESHOE CRAB 1. 2 body parts – cephalothorax and abdomen. 2. Long pointed tail.
CLASSES OF ARTHROPOD
S
Meristomata HORSESHOE CRAB
CHARACTERISTICS
1. 2 body parts – cephalothorax and abdomen.
2. Long pointed tail
3. 5 pairs of walking legs with pincers.
Arachnida
SPIDERS TICKS
SCORPIONS
CHARACTERISTICS
1. 2 body parts – Cephalothorax
and abdomen
2. 4 pairs of walking legs.
3. Fangs with poison glands (chelicerae), and pedipalps
4. Spinnerets and web making ability.
DiplopodaCharacteristics1. Repeating segments in
body.2. 2 pairs of legs per
segment. MILLIPEDES
Chilopoda
Characteristics1.Repeated segments.
2.1 pair antennae3.1 pair of legs
per segment.
CENTIPEDES
Crustacea
CRABS
SOWBUGS
SHRIMPLOBSTERBARNACLES
Characteristics
1. 2 body parts – cephalothorax and
abdomen
2. Many paired appendages
A. At least 5 pairs of walking legs.
B. Chelipeds – Food getting and defense.
C. Swimmerets for protecting eggs.
D. Uropod for fast getaway.
E. 2 pairs of antennae
F. Many mouth parts.
Insecta
Characteristics
1. 3 body parts – head thorax abdomen
2. 3 pairs of walking legs.
3. 1 or 2 pairs of wings.4. 1 pair of antennae.5. Most undergo metamorphosis