Chapter 34 -5

Question 1

What are the characteristics of arthropods?

Answer 1

most successful animal group
“jointed feet”
chitin exoskeleton
segmentation indicates annelid ancestor

Question 2

What happens in the arthropod metamorphosis?

Answer 2

egg - larva (caterpillar) - pupa (transition) - adult (reproductive stage)

Question 3

What are the subphylums of Phylum Arthropoda?

Answer 3

Subphylum chelicerata
subphylum crustaceae
subphylum uniramia

Question 4

Subphylum Chelicerata consists of what animals?

Answer 4

jawless arthropods

Question 5

Subphylum Crustaceae consists of what animals

Answer 5

insects of the sea

Question 6

Subphylum Uniramia consists of what animals?

Answer 6

insects of the land

Question 7

The jawless arthropods consist of which animals?

Answer 7

scorpions, spiders, ticks, mites

Question 8

What does the body of jawless arthropods have?

Answer 8

chelicera w/ fangs & sucking mouth
no chewing mouth parts
no atennae
poison (neurotoxin & digestive enzyme)
cephalothorax (abdomen & 8 legs)
multiple simple eyes
specialized hair sensory organs

Question 9

Brown recluse is found in which subphylum and is what?

Answer 9

spider of Chelicerata
venom is strong digestive enzyme
fiddle on cephalothorax
found in old clothing / garage storage areas

Question 10

What carries lyme disease & rocky mt. spotted fever?

Answer 10

ticks in the subphylum chelicerata