Invertebrate Animals Flashcards
1
Q
simplest animal with brain
A
worms
2
Q
has a hard outer covering (exoskeleton)
A
arthropods
3
Q
has internal skeleton (endoskeleton)
A
enchinoderms
4
Q
has an organ called a foot
A
mollusks
5
Q
have stinging cells
A
cnidarians
6
Q
adults stay in one place
A
sponges
7
Q
bilateral symmetry
A
worms
8
Q
legs, wings, and antennae are possible appendages
A
arthropods
9
Q
radial symmetry
A
echinoderms, cnidarians
10
Q
thin layer of tissue called mantel cover internal organisms
A
mollusks
11
Q
asymmetrical
A
sponges
12
Q
three major phyla are round, segmented, and flat
A
worms
13
Q
three major groups are arachnid, insect, and crustacean
A
arthropods
14
Q
includes starfish, sea stars, sea cucumbers, and sea urchins
A
echinoderms
15
Q
three major groups are gastropods, bivalves, and cephalopods
A
mollusks
