Animal 2 answers even
2) a
gastrovascular cavity.
4) amoebocytes.
6) chitin
8) choanocyte
10) tube feet
12) spiracles and
tracheae.
14) Scyphozoa
16) a digestive system
with a single opening
18) rotifers.
20) encysted in the
muscle of an animal such as a cow or pig.
22) Porifera-gastrovascular
cavity, coelom present
24) for feeding.
26) mollusc.
28) Ia mantle
30) Polyplacophora
32) Cephalopoda
34) b
36) e
38) d
40) a water vascular system
42) an open circulatory system.
44) Nematoda; a
circulatory system.
46) trichinella
worms
48) radically different
appearance between adults and earlier life stages
50) wings.
52) chelicerae.
54) millipede.
56) b
58) e
60) d
62) c
64) e