Chapter 28 Flashcards
Gas exchange in crustaceans
Gills
Lobster, crap, shrimp, and crayfish class
Crustacea
Segments in crustaceans
Head, thorax, and abdomen
Fused head and thorax
Cephalothorax
Covers the cephalothorax
Carapace
Appendages for swimming in Crustacea
Swimmerets
Jaw in Crustacea
Mandible
First appendage adapted for catching prey in Crustacea
Cheliped
Identifiable gender structure in Crustacea
Swimmerets
Mouthparts in Crustacea
Chelicerae
Structure for grabbing prey in Crustacea
Pedipalp
Spider subphylum
Chelicerata
Symmetry in Arthropoda
Bilateral
Prevents water loss in Arthropoda
Exoskeleton
Joints are helpful because….
They allow flexibility and powerful movements of the appendages.
Exoskeleton made of ___
Chitin
First phylum seen
Trilobyta
Feeding structures in Arthropoda
Fangs, pincers, and jaws
Respiration in Arthropoda
Tracheal tubes
Holes in the side of the body used for respiration in Arthropoda
Spiracles
Layers of tissue to exchange gases look like a book
Book lungs
Circulation in Arthropoda
Open circulatory system
Excretion in Arthropoda
Malpighian tubes
Response in Arthropoda
Brain, nerve cords, and sensory organs
Visual structure with only one lens that is used for detecting light (Arthropoda)
Simple eye
Reproduction in Arthropoda
Internal or external fertilization
Body segments in Arthropoda
Cephalothorax and abdomen
Contain silk glands in Arthropoda
Spinnerets
Two body segments in Arthropoda
Cephalothorax and abdomen
Pinchers or fangs that hold food or poison in Arthropoda
Chelicerae
Appendages in Arthropoda for handling prey and for sensing (carries sperm in spiders)
Pedipalps
Other 4 pairs of appendages in Arthropoda
Adapted for legs- locomotion
Gas exchange in chelicerata
Book lungs
Ticks, mites, and scorpions body structures
Head, thorax, and abdomen fused together
Subphylum of insects and their relatives
Uniramia
What percent of all animals are insects
73%
Asexual- female reproduces offspring from an unfertilized egg
Parenthogensis
Complete life cycle of an insect (how many stages and what are they)
4: egg-> larva -> pupa -> adult
Incomplete metamorphosis insects
3: egg, larva, pupa
Centipedes and millipede subphylum
Uniramia
Centipede class
Chilopoda
Millipede class
Diplopoda
Excretion in Chilopoda
Malpighian tubes
Gas exchange in Chilopoda
Tracheal tubes
Feeding of Chilopoda
Carnivorous
Feeding of Diplopoda
Eat plants and decaying materials
Defense in Diplopoda
Can spray foul smelling fluids from their defensive stink glands
Meaning of echinoderm
Spiny skin
Formed by hardened plates of calcium bicarbonate
Endoskeleton
Symmetry in echnoderms
Radial symmetry
Serves to allow water enter and exit
Madreporite
Stick to surfaces and help in movement and gas exchange
Tube feet
Symmetry in larva
Bilateral symmetry
The round muscular structure on the end of the tube foot in echnoderms
Ampulla
Long taper arms in echnoderms
Rays
Pincer like appendages in echnoderms for protection and cleaning
Pedicellariae
Hydrolic system that can transport under water pressure
Water vascular system
Respiration, circulation, and excretion in echnoderms
Water vascular system
Response in echnoderms
Central nerve ring and scattered sensory organs
Movement in echnoderms
Tube feet, rays, and some have muscles
Reproduction in echnoderms
External fertilization occurs in water
Sea urchins and sand dollars class
Echinoidea
Brittle stars class
Ophiuroidea
Sea cucumber class
Holothuroidea
Sea stars class
Asteroidea
Sea lilies and feather stars class
Crinoidea
Oldest class of echnoderms
Crinoidea