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What is the Difference Between Prokaryotic and Eukaryotic? 1.Prokaryotic cells have no nucleus; Eukaryotic cells do 2. Prokaryotic cells lack membrane-bound.

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Presentation on theme: "What is the Difference Between Prokaryotic and Eukaryotic? 1.Prokaryotic cells have no nucleus; Eukaryotic cells do 2. Prokaryotic cells lack membrane-bound."— Presentation transcript:

1 What is the Difference Between Prokaryotic and Eukaryotic? 1.Prokaryotic cells have no nucleus; Eukaryotic cells do 2. Prokaryotic cells lack membrane-bound organelles such as a mitochondria and chloroplast; Eukaryotic cell have them.

2 Protist Habitat: Freshwater (ponds, rivers, streams, etc)

3 Protist Habitat: Marine (Ocean)

4 Protist Habitat: Soil

5 Protist Habitat: In other organisms

6 Protozoa: Animal-like Protists AKA: Zooplankton

7 Zooplankton: Paramecium

8 Paramecium Structure Paramecium are unicellular

9 Paramecium Information* Move using Cilia – tiny hairs covering the outermost layer Cilia Watch Video

10 Paramecium Information ALL aquatic protists contain a contractile vacuole Acts like a water pump which regulates the water pressure inside organism

11 * Watch Video: Click picture

12 Method of Feeding* Heterotroph Cilia helps guide food into the gullet; a food vacuole is formed; digestive enzymes break down food Watch Video: Click picture

13 - One parent -Doesn’t exchange DNA - Produces identical offspring Reproduction: Binary Fission (Asexual)*

14 Reproduction: Conjugation(Se xual)* Two parents Exchange DNA Produce different offspring

15 Zooplankton: Amoeba

16 Amoeba Structure Amoeba are unicellular

17 Amoeba Information* Move using Pseudopod – False foot Literally moves like a blob Watch Video: Click picture

18 Method of Feeding* Heterotroph Pseudopod surrounds food; process called Phagocytosis Eventually engulfs it Fast forward to 1:15 Watch Video: Click picture

19 - One parent -Doesn’t exchange DNA - Produces identical offspring Reproduction: Binary Fission (Asexual)

20

21 Protozoa: Plant-like Protists AKA: Phytoplankton

22 Phytoplankton: Euglena

23 Euglena Structure Euglena are unicellular

24 Euglena Information Move using a Flagella; a long whip-like tail Different species of euglena move in different ways

25 * They can spin like a tornado Watch Video: Click picture

26 * They can move like a worm Watch Video: Click picture

27 Method of Feeding Autotroph and Heterotroph Can undergo photosynthesis; has an eyespot to act as a sunlight sensor Also can consume food if necessary

28 -One parent -Doesn’t exchange DNA -Produces identical offspring Reproduction: Binary Fission (Asexual)

29 Phytoplankton: Dinoflagellates Dinoflagellates are Unicellular

30 Some have the ability to bioluminescence (glow) The ability to glow is similar to a burglar alarm or defense system

31 Video #1: Splashing WaterVideo #1: Splashing Water (Turn Volume Down) Video Clip #2: Surfing Watch Video

32 Phytoplankton: Green Algae Unicelluar; Multicellular; Colonial (many individual organisms living together in a outer membrane)

33 Most diverse group of protists; can be found everywhere

34 Even on the backs of some animals

35 Phytoplankton: Brown Algae Not a true plant because it lacks TRUE roots, stems, and leaves Frond≠Leaf Stipe≠Stem Holdfast≠Roots

36 Seaweed is an example of Brown Algae

37 Kelp is also an example of Brown Algae

38 Brown Algae is Edible

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42 Life in a Drop of Water Lab

43 Proper Microscope Techniques 1. Make sure that stage is at the lowest position.

44 Proper Microscope Techniques 2. Make sure that lowest objective is set

45 Proper Microscope Techniques 3. Place slide securely on the stage

46 Proper Microscope Techniques 4. While viewing through eyepiece, move stage up

47 Proper Microscope Techniques 5. Once you see something, use fine focus

48 Proper Microscope Techniques 6. Never move stage again; just objectives and fine focus.


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