Presentation on theme: "Classify these organisms"— Presentation transcript:
1Classify these organisms Pond DiversityClassify these organisms
2Classification TaskIn the next series of slides, you will be shown pictures of pond organisms that should look familiar.Use your key to classify each of these to:DomainKingdomPhylumClass (for Arthropods and Vertebrates)
3Mallard Duck Features: Feathers made of keratin. Jaws with keratin beak.Bony skeleton.
4Diatoms Single-celled organisms with nuclei Silica shells Brown photosynthetic pigment.
5Daphnia (Water Flea) Multicellular organism about 1mm long. Specialized organs, jointed appendages.Exoskeleton made of chitin, with calcium carbonateFeathery gills
6Hydra Soft-bodied, multicellular, heterotrophic organism. Uses tentacles to catch prey.Radial symmetry.Specialized tissues, but no specialized organs.
7Chlorella Tiny single-celled autotrophs with a nucleus. Cell walls made of cellulose.Forms symbiotic relationships with animals such as Hydra.