Terms : Hide Images
| 1113140094 | Phylum porifera | sponges | |
| 1113140095 | Phylum platyhelminthes | flatworms, blood liver flukes, tapeworms | |
| 1113140096 | Phylum ectoprocta | Lophophorates | |
| 1113140097 | Phylum cnidaria | jellyfish, corals, hydras | |
| 1113140098 | Rotifera | rotifers | |
| 1113140099 | Phylum Nemertea | proboscis worms aka ribbon worms | |
| 1113140100 | Phylum mollusca | snails and slugs, oysters and clams, octopuses and squids | |
| 1113140101 | Phylum annelida | segmented worms: earthworm, leeches, ragworms, polychaetes | |
| 1113140102 | Phylum nematoda | roundworms | |
| 1113140103 | Phylum arthropoda | Spiders, scorpions, centipedes, insects, crabs, lobsters, trilobites (extinct) | |
| 1113140104 | Complete metamorphosis | have larval stages specialized for eating and growing; larval stage looks entirely different from the adult stage | |
| 1113140105 | Incomplete metamorphosis | the young, called nymphs resemble adults but are smaller and go through a series of molts until they reach full size | |
| 1113140106 | Arachnids | have an abdomen and a cephalothorax, six pairs of appendages, the most anterior of which are the chelicerae | |
| 1113140107 | The body of an arthropod | Is completely covered by the cuticle, an exoskeleton made of chitin | |
| 1113140108 | When an arthropod grows | It molts its exoskeleton in a process called ecdysis | |
| 1113140109 | Earthworms | Have no parapodia | |
| 1113140110 | Parapodia | function as gills and aid in locomotion in polychaetes | |
| 1113140111 | parthenogenesis | female virgin birth in rotifers | |
| 1113140112 | Tapeworms | are parasitic and lack a digestive system | |
| 1113140113 | Types of flatworms | planaria, flukes, tapeworms | |
| 1113140114 | Phylum echinodermata | sea stars, sea urchin, sea cucumbers | |
| 1113140115 | Echinoderms have what unique trait | a water vascular system consisting of a network of hydraulic canals branching into tube feet that function in locomotion, feeding, and gas exchange |
