Phylum Arthropoda Flashcards
1
Q
Phylum Arthropoda Eumetazoa?
A
Yes
2
Q
Phylum Arthropoda Radiata or Bilateria?
A
Bilateria
3
Q
Phylum Arthropoda Dueterstomia or Protostomia?
A
Protostomia
4
Q
Phylum Arthropoda Acoelomate, Pseudocoelomate, or Coelomate?
A
Coelomate
5
Q
Phylum Arthropoda Diploblastic or Triplobalastic?
A
Triploblastic
6
Q
Phylum Arthropoda Vertebrate or Invertebrate?
A
Invertebrate
7
Q
Arthropoda
A
- crayfish, spiders, centipedes, millipedes and insects
- Trachea – gills for respiration
- Unique feature – segmented appendages – chitinous exoskeleton – flight
- Exoskeleton protects, prevents water loss and serves as attachment place for muscles
- Mostly terrestrial – some aquatic forms
- Sexual reproduction (dioecious)
- Exploit every feeding nitch
8
Q
Subphylum Cheliceriformes
A
- Class Merostomata (Horseshoe Crabs) & Class Arachnida (Spiders, Scorpions, Ticks and Mites)
- Lack antennae – two body divisions – six pairs of appendages
- Two body divisions -cephalothorax and abdomen – no antennae
- First pair – chelicerae
- Second pair – pedipalps
- Four pair walking legs
9
Q
Class Merostomata
A
- Horseshoe Crab
- Primitive ancient Chelicerates – marine
- Two body divisions - Cepalothorax and abdomen
- Horseshoe carapace, spike like telson, 8 walking legs
- Book gills for respiration
10
Q
Class Arachnida
A
- Two Body Divisions – Abdomen and Cepalothorax – 8 walking legs (4 pair)
- Terrestrial
- Book lungs or trachea for gas exchange
- Mouthparts that can inject poison
- Secrete filaments fashioned into webs
- Many parasitic species – ticks & mites
11
Q
Subphylum Myriapoda
A
Class Chilopoda – Centipedes
- One pair of legs per segment - trachea
- Carnivores - one pair antennae - mandibles
- First appendages – pair of poison claws
- Carnivorous - terrestrial
Class –Diplopoda – Millipedes
- Two pairs of legs per segment - trachea
- Herbivores – chewing mouth parts - mandibles
12
Q
Subphylum Hexapoda
A
- six feet - Insects
- One major class – Insecta
- Three body divisions – head, thorax and abdomen
- One pair Antennae – three pair of legs (6)
- Two pair of Wings – some with none
- Well Developed Mouth Parts – chewing, sucking, lapping and biting
- Trachea for respiration
- Mostly terrestrial – some freshwater and marine
13
Q
Blattodea
A
Cockroaches
14
Q
Odonata
A
Dragonflies
15
Q
Coleoptera
A
Beetles
