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WARM UP

WARM UP. In your warm up notebook, Draw and explain the stages of how a virus reproduces. How does the protist population interact with its environment?. First, Let’s refresh your memories. What are the 7 levels of classification? And the sentence to help you remember?

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WARM UP

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  1. WARM UP • In your warm up notebook, Draw and explain the stages of how a virus reproduces.

  2. How does the protist population interact with its environment?

  3. First, Let’s refresh your memories • What are the 7 levels of classification? And the sentence to help you remember? • King Phillip Came Over For Great Spaghetti. Kingdom, Phylum, Class, Order, Family, Genus, Species • What are the 6 characteristics of life? • Grow, has cells, reproduce, respond to environment, use energy, evolve • On a microscope, what objective do you start on? What adjustment do you turn? • Smallest powered one, Coarse adjustment: aka the big one

  4. What are the kingdoms of bacteria and what is classified in those? • Eubacteria: common bacteria, found everywhere. Archaebacteria: old bacteria, found in extreme environments • Is bacteria alive? • YES • Is a virus alive? • NO • Does bacteria make a virus? • NO

  5. Protist, what is it? • Protists belong to the Kingdom Protista, which include mostly unicellular organisms that do not fit into the other kingdoms. “Junk Drawer” Kingdom • A protist is any organism that is not a plant, animal or fungus

  6. Characteristics of Protists • Mostly unicellular, some are multicellular (algae) • can be heterotrophic (can’t make own food) or autotrophic (make own food) • most live in water (though some live in moist soil or even the human body) • ALL are eukaryotic (have a nucleus)

  7. Amoeba • Moves using pseudopods ( "false feet" ), which are extensions of the cytoplasm. • Animal-like cell, heterotrophic.

  8. Watch an ameba! • http://animal.discovery.com/videos/monsters-inside-me-the-brain-eating-amoeba.html

  9. endoplasm

  10. What those parts do! • 1. Movement and trap food (pseudopods) • 2. Let’s things in and out of cell.(cell membrane) • 3. Where food is digested .(food vacuole) • 4. Collects excess water and squirts it out. (contractile vacuole) • 5. Has DNA. Is the control center (brain) (nucleus) • 6. Filling for cell. (endoplasm)

  11. Plant-Like Protists • Commonly called algae • Autotrophic • Types: • Green, red, brown algae • Diatoms • Dinoflagellates • *Euglenas

  12. Euglena • Euglena is a bright green in color, a unicellular organism that lives in freshwater. • Can be described as a protozoa with mixed characteristics of both plant and animal.

  13. Plant and Animal? • Euglena are autotrophs since they make food from sunlight (photosynthesis) and • Heterotrophs since they ingest food from surrounding water.

  14. Euglenas • They are similar to plants because they can prepare their food by photosynthesis. • Their resemblance with animals lies with the fact that it can move around from one place to another.

  15. Functions • 1. Movement (flagellum) • 2. Finds light so cell can do photosynthesis to make its own food. (eyespot) • 3. Food- making factory (chloroplast) • 4. Holds shape and allows “in and out”(pellicle)

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