phylum arthropoda jointed appendages exoskeleton bilateral symmetry open circulatory system well...
TRANSCRIPT
Phylum Arthropoda• Jointed appendages• Exoskeleton• Bilateral symmetry• Open Circulatory System• Well developed nervous
system with a Brain• Well developed muscles
Subphylum Uniramia
• Unbranched appendages
Subphylum Uniramia
• Unbranched appendages
• Jaws
Jaws
Subphylum Uniramia
• Unbranched appendages
• Jaws
• One pair of antennae
Class Insecta
• Six walking legs
• Three body sections
Mosquito
Dragonfly
Wasp
Ants
Grasshopper
Praying Mantis
MonarchButterfly
Butterfly Metamorphosis
Zebra Butterfly
Bee
Walking stick
Class Chilopoda
• Has many body segments• Each segment has one pair of legs• Centipedes
Centipede fangs
Class Diplopoda
• Each segment has two pairs of legs
• millipedes
Subphylum Chelicerata• Specialized Mouth Parts:
– Chelicerae • Move up & down (stab)
• Often have fangs
– Pedipalps (used to grab prey)
Chelicerae with Fangs
Pedipalps
Subphylum Chelicerata
• Specialized Mouth Parts
• 2 body sectionscephalothoraxabdomen
Class Arachnida
8 Walking Legs
Spiders
8 Simple eyes
Silk glands
Banana Spider
Crab Spider
Flame TarantulaFlame Tarantula
Tarantula
Chelicerae
Scorpion
Chelicerae
Scorpion Chelicerae
Deer Tick
Tick under a microscope
Chelicerae
Mite
Water mite
Class Merostomata
Horseshoe CrabOnly living member of this class
Horseshoe crab chelicerae
Horseshoe Crab
Compound eyes
Book gills
Many Taxonomists split the class Merostomata into two classes:
• Xiphosura – horseshoe crabs
• Eurypterida - eurypterids
Subphylum Crustacea
• 10 legs
• Two pair of antennae
• Mandibles (chewing mouthparts)
Blue Crab Mandibles
Subphylum Crustacea
• 10 legs• Two pair of antennae• Mandibles (chewing mouthparts)• 2 or 3 body parts• Predominantly aquatic
Spiny Lobster
Banded Coral Shrimp
Anemone Shrimp
Anemone Shrimp
Peterson’s Shrimp
Shrimp
Red Night Shrimp
Spider Crab
Arrow Crab
Star-eyed Hermit Crab
Decorator Crab
Gooseneck Barnacles
http://www.oceanfootage.com/video_clips/HH10_012
Pill Bug