| A | B |
|---|
| animal characteristics | multicellular, heterotrophs, can move, reproduce by sexual reproduction |
| cells are organized into? | tissues |
| tissues are organized into? | organs |
| animals with backbones are called? | vertebrates |
| invertebrates | animals without backbones |
| animals with bilateral symmetry have? | one line of symmetry (one way to make a mirror image) |
| having more than one line of symmetry? | radial symmetry |
| examples of animals with radial symmetry are? | any cnidarian, echinoderm |
| cnidarians catch their prey by? | stinging it with their tentacles |
| a major characteristic of mollusks is that they have? | soft bodies |
| examples of mollusks are? | snails, slugs, clams, and octopus' |
| major characteristics of arthropods are: | jointed legs, exoskeleton, and segmented bodies |
| types of arthropods are? | insects, arachnids, crustaceans, centipedes, and millipedes. |
| characteristics of insects are? | 3 segmented body, 6 legs, wings, compound eyes |
| characteristics of arachnids include? | 8 legs, 2 segments, no antennae |
| characteristics of crustaceans include? | at least 8 legs, antennae, and a 2 segmented body |
| characteristics of centipedes include? | 1 pair of legs per body segment |
| characteristics of millipedes include? | 2 pair of legs per body segment |
