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Arthropods.

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Presentation on theme: "Arthropods."— Presentation transcript:

1 Arthropods

2 Main Characteristics Jointed appendages Segmented body
Exoskeleton (skeleton on outside) Mandibles – chewing mouthparts Metamorphosis ( egg - larva - adult) Classification Kingdom Animalia , Phylum Arthropoda             Various Subphylum

3 Subphyla (major groups)
1.  Chelicerates  (spiders and scorpions) 2.  Crustaceans  (lobsters, crabs, shrimp, crayfish) 3.  Uniramia (insects, millipedes, centipedes)

4 Chelicerates Spiders, ticks and scorpions
2 body segments                         cephalothorax, abdomen 8 legs No antenna Spiders belong to a special group called *Arachnids

5 Spider Parts Chelicerae - specialized mouth parts used for biting
Pedipalps - appendages near the mouth used to manipulate prey Spinnerets - used to secrete a web

6 Crustaceans Shrimp, lobsters, crabs, crayfish 4 pairs of legs
2 claws (chelipeds) 2 pair of antennae

7 Centipedes & Millipedes
Predators, poisonous 1 pair of legs per segment Millipedes Herbivores 2 pair of legs per segment

8 Insects 3 pairs of legs 1 pair of antennae
3 body segments (head, thorax, abdomen)

9 ORDER HYMENOPTERA

10 ORDER LEPIDOPTERA What is the difference between a moth (1st picture) and a butterfly (2nd) ? Moth antennae end in clubs, they’re bodies are often furrier and when at rest, their wings are flat (butterflies rest with the wings pointing up

11 ORDER ODONATA

12 Brown recluse bites cause necrosis (death of tissue).

13 Termites:   Order Isoptera

14 ORDER DIPTERA

15 Order Siphonaptera

16 Beetles: Order Coleoptera


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