Phylum Arthropoda

Question 1

Phylum Arthropoda Eumetazoa?

Answer 1

Yes

Question 2

Phylum Arthropoda Radiata or Bilateria?

Answer 2

Bilateria

Question 3

Phylum Arthropoda Dueterstomia or Protostomia?

Answer 3

Protostomia

Question 4

Phylum Arthropoda Acoelomate, Pseudocoelomate, or Coelomate?

Answer 4

Coelomate

Question 5

Phylum Arthropoda Diploblastic or Triplobalastic?

Answer 5

Triploblastic

Question 6

Phylum Arthropoda Vertebrate or Invertebrate?

Answer 6

Invertebrate

Question 7

Arthropoda

Answer 7

• 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

Question 8

Subphylum Cheliceriformes

Answer 8

• 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

Question 9

Class Merostomata

Answer 9

• Horseshoe Crab
• Primitive ancient Chelicerates – marine
• Two body divisions - Cepalothorax and abdomen
• Horseshoe carapace, spike like telson, 8 walking legs
• Book gills for respiration

Question 10

Class Arachnida

Answer 10

• 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

Question 11

Subphylum Myriapoda

Answer 11

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

Question 12

Subphylum Hexapoda

Answer 12

• 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

Question 13

Blattodea

Answer 13

Cockroaches

Question 14

Odonata

Answer 14

Dragonflies

Question 15

Coleoptera

Answer 15

Beetles

Question 16

Diptera

Answer 16

Flies and Mosquitoes

Question 17

Hymenoptera

Answer 17

Ants, Bees and Wasps

Question 18

Lepidoptera

Answer 18

Butterflies and Moths

Question 19

Complete Metamorphosis

Answer 19

Egg, larva, pupa, adult

Examples are butterfly, bee, beetle and flies

Question 20

Incomplete Metamorphosis

Answer 20

Egg, larva and adult

Examples are dragonfly, grasshopper and true bugs