https://peda.net/id/8bd05892f8c 2021-08-09T08:06:19+03:00 https://peda.net/:static/547/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license noopener" href="https://peda.net/info" target="_blank">Peda.net-yleislisenssi</a></div> https://peda.net/id/8bd0f069f8c 2020-02-12T13:54:54+02:00 <ul> <li>Being able to name different aquatic invertebrates.</li> <li>Being able to explain the different adaptations of aquatic invertebrates.</li> </ul> 2021-08-09T08:06:19+03:00 https://peda.net/id/8bd19614f8c 2020-06-29T12:10:28+03:00 <div class="eoppi-summary"> <ul> <li><span>Groups of invertebrates: worms, <span lang="en">medusas</span>, molluscs, and arthropods (crustaceans, spiders, and insects)</span></li> <li>A clam is a mollusc, a crab is a crustacean, and a dragonfly is an insect. Crustaceans and insects belong to the group of arthropods.</li> <li><span>Water-dwelling invertebrates get their oxygen by either:</span> <ul> <li><span>using specialized organs called <b>gills</b> to filter oxygen from water.</span></li> <li><span>occasionally coming up to the surface to breathe oxygen from the atmosphere.</span></li> </ul> </li> <li><span>Many species of insects undergo a process of metamorphosis. A complete metamorphosis consists of the egg, larval, pupal, and adult stages. An incomplete metamorphosis lacks a pupal stage. </span></li> </ul> </div> 2021-08-09T08:06:19+03:00