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Science- worksheet
List of all the different animals and their characteristics
| Question | Answer |
|---|---|
| Sponges | no symmetry, no tissue or organs, tiny pores (holes) |
| Cnidarians | stinging cells, radial symmetry |
| Worms | no legs, bilateral symmetry, long narrow bodies |
| Worms-Flatworms | flat, soft as jelly |
| Worms-Roundworms | cylindrical bodies |
| Worms-Segmented worms | Made up of many small sections called segments |
| Mollusks | soft bodies, unsegmentes,hard shell (usually) organ called foot |
| Mollusks- Cephalopod | foot organ forms tentacles |
| Arthropods | external skeloton Segmented body, joints |
| Arthropods- Crustaceans | two or three body sections, five or more pairs of legs, two pairs of antennae |
| Arthropods- arachnids | two body sections, four pairs of legs, two pairs of antennae |
| Arthropods- Centipede/Millipede | two bodysections, many pairs of legs |
| Arthropods- insects | three body sections 6 legs, one pair of antennea, one or two pairs of wings |
| Echinoderms | internal skeleton, water vascular system-fluid filled tubes |
| Fishes | live in water, have fins, ectotherm, gills, scales |
| Amphibians | Ectotherm, born and reproduce in water, live on land |
| Reptiles | ectotherm, scales, live on land |
| Birds | endotherm, feathers |
| Mammals | Endotherm, skin covered by fur or hair |
| Vertebrates | Spinal cords- nerves running through out their body |
| Invertebrates | no back bone |