BIOL 1840U Lecture Notes - Lecture 3: Photosynthesis, Protist, Multicellular Organism
Document Summary
Bacteria and archaea : are microscopic, single-celled organisms. Eukaryotic cells contain tiny structures with specialized functions. Protista primitive eukaryotic cells that represent early stages in the. Plantae (plants) multicellular, and they photosynthesize. Fungi include mushroom-producing species and molds and yeasts. Animalia include a wide range of multicellular organisms. Among key decomposers. organs and organ systems, body plans and behaviours. Protista is the oldest kingdom within eucarya. The protists can be single-celled or multicellular organisms. Amoebas and kelp belong to the kingdom. Some photosynthesize (green algae) others hunt for food (ciliates) Some protists evolved from being single-celled creatures, like bacteria, to forming multicellular groupings. Slime molds are protists that have two life phases: Studies on slime-molds can gain insight on the transition from single-cell to multicellular life. Dinoflagellates are ocean-living protists that cause red tide . The potato blight in ireland during the 1800s was caused by a water mold. Plasmodium is a protist (parasite) that causes malaria.
