| A | B |
| mollusca | an animal phylum meaning "soft-bodied" |
| cephalopoda | class meaning "head-foot" |
| tropism | a plants' response to the environment |
| fungi | kingdom that absorbs food |
| protista | kingdom with cells having nuclei and organelles |
| mantle | skin-like covering on mollusks |
| beak | squid uses this to tear food |
| tentacles | squid have 10 and octopi have 8 |
| siphon | jet tube on squid |
| pen | support structure for squid |
| class | a division of phylum |
| divisions | plants are classified in these instead of phyla |
| kingdom | organisms are classified into one of five of these |
| order | a division of a class |
| species | organisms that look alike and can interbreed |
| binomial nomenclature | two-name naming |