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Java Games: Flashcards, matching, concentration, and word search. |
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| 0.95 or 95% of all animals are | invertebrates |
| This is the simplest invertebrate. It is shaped like a sack, no symmetry, two cell layers thick, has no bones, and is an invertebrate | Sponge |
| This invertebrate has poison stingers on its tentacles, are two layers thick, have simple tissues, a mouth, and radial symmetry | Cnidarians |
| Cnidarians include | hydra, jellyfish, sea anemones and corals |
| These are more complex than cnidarians or sponges, the simplest worms, have a head and a tail, have bilateral symmetry, includes parasites and planaria | Flatworms |
| These are more complex than flatworms, have a slender but rounded body, have a one way digestive system, and include Ascaris and hookworms | Roundworms |
| Earthworms are | Segmented worms |
| These are soft-bodied invertebrates such as snails, slugs, clams, oysters, squids, and have shells. | Mollusks |
| These are spiny skinned and often star shaped. They include sea stars, sand dollars, sea cucumbers and sea urchins. They have an endoskeleton. | Echinoderms |
| The largest invertebrate phylum, have jointed legs, a body divided into sections, some breathe with gills, have an exoskeleton, and 4 main classes: arachnids, centipedes and millipedes, crustaceans, and insects. | Arthropods |
| Includes spiders, mites, scorpoins, ticks, daddy-longlegs, no antennae, mainly eat insects, many are poisonous or spin webs | Arachnids |
| Crabs, lobsters, shrimp, crayfish, sow bugs, eat dead animal remains | Crustaceans |
| One pair of legs per segment and move quickly | Centipedes |
| Two pair of legs per segment and move slowly | Millipedes |
| Beetles, flies, bees, ants, mosquitoes, butterflies, dragonflies, fleas, termites and have bodies in 3 sections--head, thorax, abdomen | Insects |
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