Phylum Arthropoda Flashcards
(23 cards)
Root name
Jointed legs
Poda- feet
Arthro- jointed
Type of skeleton
Exoskeleton
What is the skeleton made of
Chitin
Ecdysis- sheds periodically
Circulatory system
Open circulatory system and has a central nervous system
Barnacles feed with?
Hind legs
Ecdysis ?
Sheds exoskeleton
Subphylum trilobitomorpha
Trilobites- went extinct
What classes are in subphylum Crustacea ?
Decapoda- 10 legs, 5 pairs
Brachiopoda- water fleas
Malacostraca- Rollie Pollies
Maxilopoda- barnacles
What animals are in decapods?
Lobsters, crabs, shrimp, crayfish
Body segments?
Fused head and thorax
Abdomen
Legs?
4 pairs of walking legs and 1 pair of pinchers
Class malacostrae
Body segments
3, head, thorax, abdomen
Subphylum uniramia classes
Myriapoda- centipede, millipede
Hexapoda- insects
Centipede have __ para of legs per somite
One
Millipede have __ pairs of legs per somite
2
Basic traits of hexapoda (insects)
6 legs
3 body segments
2 pairs of wings
1 pair of antennae
Orders of class hexapoda
Thysanura- silverfish Blattodea- roaches Orthropetra- grasshoppers, crickets Coleoptera- beetles Diptera- flies Lepidoptera- butterflies, moths
Subphylum chelicerata
Body plan
2 body segments
No antenna
Book lungs
Chelicerae
Classes in subphylum chelicerata
Merostomata- horshoecrabs
Arachnida- scorpions, tick mites, and spiders
Class merostomata (horseshoe crab)
6 pairs of legs
Not really crabs
Class arachnida
8 legs
2 body segments
Several pairs of simple eyes
Which insects go through complete metamorphosis?
Butterflies, beetles, fleas, flies, bees and wasps
Which insects go through incomplete metamorphosis?
Grasshopper, true bugs, roach, praying mantis,
