1. Arthropods By nearly any measure, the most successful animals on the planet are the arthropods. They have conquered land, sea and air, and make up over three-fourths of all currently known living and fossil organisms, or over one million species in all.

2. In biology, if a group has many different forms and types and appearances, we say they have a great amount of…………………... DIVERSITY How many different kinds of arthropods can you name?

4. The word “arthropoda” means… joint foot

5. Main Characteristics ● Jointed appendages (An appendage is any extension from the body) ● Segmented body ● Exoskeleton (skeleton on outside)

6. Exoskeletons provide support and protection The skeleton does not grow and must be shed as the animal grows - MOLTING

7. ● Mandibles – chewing mouthparts - open side-to-side

8. ● Metamorphosis ( egg - larva - adult)

9. How are maggots used in medicine?

10. Classification Kingdom Animalia Phylum Arthropoda Subphylum 1. Trilobita (Trilobites) 2. Chelicerates (spiders and scorpions) 3. Crustaceans (lobsters, crabs, shrimp, crayfish) 4. Myriapoda (millipedes and centipedes) 5. Hexapoda (insects)

11. Trilobita Ancestor of today’s arthropods Extinct

12. https://www.youtube.com/watch?v=-iXalNPd64E

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

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

15. https://www.youtube.com/watch?v=vg7sALl3sho

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

17. https://www.youtube.com/wat ch?v=XC6I8iPiHT8

18. Myriapoda: Centipedes & Millipedes ●Centipedes Predators, poisonous 1 pair of legs per segment ●Millipedes (aka 1,000-legged worms) Herbivores 2 pair of legs per segment

19. https://www.youtube.com/wat ch?v=1luhy8q8Lks

20. Hexapoda: Insects ● 3 pairs of legs ● 1 pair of antennae ● 3 body segments (head, thorax, abdomen)

21. Insects belong to the CLASS INSECTA There are many insect orders, some examples… Bees, ants, wasps (Hymenoptera) Beetles (Coleoptera) Crickets and grasshoppers (Orthoptera) Damselflies and dragonflies (Odonata) Stick and leaf insects (Phasmatodea)

22. https://www.youtube.com/wat ch?v=W-fK4ESb-vo What is an insect US

23. Random Facts about Arthropods

24. Ticks can carry lyme disease

25. Some centipedes are venomous.

26. Tarantulas are venomous, but most are docile and can be handled gently.

28. Some insects use MIMICRY to trick predators into thinking they can sting. This is a fly, not a wasp.

29. What is the difference between a moth (1 st picture) and a butterfly (2 nd ) ? 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.)

30. Brown recluse bites cause necrosis (death of tissue). These spiders are common in U.S. homes

31. Black widows are also dangerous.

32. Termites are social insects. Science Nation: Social Insects

33. Head lice are a parasitic species of insect. Don’t share hats and brushes!

34. A female flea can consume 15 times its body weight (in blood) on a daily basis. Fleas were carriers of the black plague.

35. Beetles have the most diversity.

36. Diversity of Arthropods Those amazing Arthropods on United Streaming

37. Works cited: Biology Corner Remember to watch some awesome bug wars on US