Test 3- Class Crustacea Flashcards
1
Q
Body segments
A
head, abdomen, thorax
2
Q
Eyes
A
pair of compound eyes
3
Q
Appendages (legs)
A
2 pairs (4 total)
periopod (walking)
playopods (swimming)
4
Q
Eating
A
predators, scavengers
5
Q
Other appendages
A
pair of mandibles (chewing food)
2 pair of maxillae
2 pair of antennae
6
Q
Mode of living
A
free-living
sessile (barnacles, hermaphordites)
7
Q
Nervous system
A
definite brain connected to ventral nerve chord
8
Q
Circulatory system
A
open
no blood vessels
9
Q
Respiration
A
gills
10
Q
Digestive System
A
green glands for waste near antennae
11
Q
Environment
A
mostly marine, some freshwater
some terrestrial
some parasites
12
Q
Common representatives
A
lobster, crab, shrimp, barnacle
13
Q
Crust-
A
hard external covering