Arthropod lab
Vu-PAP-Bio-1st
Arthropod
Objectives
Some facts about arthropods
Tasty food
Grasshopper
Arthropods
Lab in action
Arthropod examination
Grasshoper anatomy
Labrum: Broad upper lip
Labium: Lower lip
Mandible: sideways jaw that crushes food
Femur, tibia, tarsus: 3 parts of the leg
claws: At the end of the tarsus
spiracles: small openings in the abdomen that allow the grasshopper to breathe
Ovipositor: part of the female used for laying eggs
Head, thorax, abdomen: three body regions
wings: used for movement or short burst of flight
Hindwing: back wing
Tibia: connects femur to tarsal segments
coxa: connects femur to upper body
Crayfish anatomy
Abdomen: one of the two body section of a crayfish
Cheleped: claw used to capture food and provide defense
carapace: Outer covering of crayfish
telson: flat triangular section at the tail, used for swimming
Uropod: anterior flipper that propels it through the water
swimmerets: Organs that create water currents and function in reproduction
walking legs: enable the crayfish to walk slowly
antennae: an antenna like appendage with receptors for touch
antenna: an appendage specialized for touch and taste
rostrum: part of the carapace that protects the eyes
feeding appendage: hole where food goes into mouth