Lecture 25: Arthropoda II

Question 1

Myriopoda subphylum?

Answer 1

millipedes and centipedes
3+ pairs of legs
Direct development
All terrestrial

Question 2

Class Diplopoda?

Answer 2

Milipedes
Detritivorous or herbivorous
Two pairs of legs for segments

Question 3

Class chilopoda?

Answer 3

Centipedes 
carnivores
1 pair of legs per segment
poison claws
lipfoot nibbas

Question 4

Subphylum Chelicerata?

Answer 4

horseshoe crabs, scorpions, spiders, mites and their relatives
Cheliserae as main mouth part (inject venom)

Question 5

Body plan chelicerata?

Answer 5

cephalothorax

abdomen

Question 6

Cephalothorax?

Answer 6

6 pairs of limbs, 4 pairs of legs, cheliserae, pedipalps, eyes

Question 7

Abdomen?

Answer 7

Guts and sex organs wink wink

might or might not bear appendages

Question 8

Class arachnida?

Answer 8

spiders, mites, scorpions, etc. 
Fluid feeding preds
ocelli
separate sexes
booklungs

Question 9

Order aranea

Answer 9

Booklungs and/or trachae
spinnerets
maternal care
Poison glands chelicerae

Question 10

Order scorpiones

Answer 10

pedipalps modified as pincers
Crush or sting prey
externally digest, drink fluid
Hatchlings carried on back
Stinger

Question 11

Order acari?

Answer 11

Mites
Ball wit legs heh
2 or 3 segmented chelicerae
0-2 ocelli pairs
Most economically important arachnids

Question 12

Class Xiphosura?

Answer 12

Horseshoe crabs
Compound eyes
Book gills for gas exchange

Question 13

Class Xiphosura?

Answer 13

Horseshoe crabs
Compound eyes
Book gills for gas exchange
Long terminal spine