1. What have soft bodies and mantles; mantle sometimes forms a shell
A. mollusks
B. cytoplasm
C. chloroplast
2. This lives on or in another living organism (host) and depends on the host for food
A. ribosome
B. invertabrete
C. vacuoles
D. parasite
4. All arthropods have __________.
A. shells
B. 8 legs and antennae
C. jointed legs, a segmented body, and an exoskeleton
3. Arhropods with many body segments and many pairs of legs may be either .
A. snails or mollusks
B. crabs or octopus
C. arachnids or crustaceans
D. centipedes or millipedes