Transcript
Page 1: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Protists

Diversity of Protists

Protozoans

Slime Molds

Algae

Ecological Role & Disease

Page 2: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Diversity of Protists

A. Characteristics

B. Structure and Function

C. Modes of Nutrition

““ClickClick””

Page 3: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

A. Characteristics

1. Eukaryotic (have a nucleus)

2. Unicellular, multicellular, or colonial (groups)

3. Most move_

Page 4: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Structure and Function

1. Extremely diverse

a. very complex cell structure

b. perform all the functions of other eukaryotes

2. Grouped by type of nutrition_

“Click”

Page 5: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

C. Modes of Nutrition

1. Protozoans (animal-like)

a. are consumers

b. classified by how they move_

“Click”

Page 6: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

2. Slime molds (fungus-like)

a. consumers- decomposers

b. live in cool damp places

c. feed on bacteria & decaying plant matter

d. have a unique life cycle_

“Click”

Page 7: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Algae (plant-like)

a. are producers

b. can be unicellular or multicellular

c. make up plankton communities

d. can be classified by color_

“Click”

Page 8: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

THE END

Page 9: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Protozoans

A. Zooflagellates

B. Sarcodinians

C. Ciliaphorans

D. Apicomplexans

“Click”

Page 10: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

1. Zooflagellates move by one or more flagella

2. Giardia

a. contains 2 nuclei and lack mitochondria

b. believed to be closely related to

prokaryotes_

A. Zooflagellates

“Click”

Page 11: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Trypanosoma

a. causes sleeping sickness_

Page 12: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

1. Sarcodinians move by extensions of the cytoplasm called pseudopodia_

B. Sarcodinians

“Click”

Page 13: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

2. Amoeba

a. causes amoebic dysentery_

“Click”

Page 14: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Forams

a. have porous shells made of calcium carbonate

b. shell buildup forms limestone_

“Click”

Page 15: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

4. Radiolarians_

“Click”

Page 16: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

1. Move by hair-like extensions called cilia

2. Paramecium

a. sweep food into body by cilia_

C. Ciliates

“Click”

Page 17: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Conjugation in Paramecium

Page 18: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Conjugation Paramecia Binary fission

Page 19: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Stentor_

Page 20: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

4. Stylonychia_

Page 21: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

1. Have no way of movement

a. act as parasites_

D. Apicomplexans

(Sporozoa)

sporozoites

merozoites

Page 22: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

2. Plasmodium

a. causes malaria_

Page 23: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

THE END

Page 24: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Slime Molds

A. Plasmodial Slime Molds

B. Cellular Slime Molds

C. Water Molds & Mildews

Page 25: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

A. Plasmodial Slime Molds

1. Plasmodial slime molds feed as a single mass of cytoplasm-plasmodium

2. When food and water supplies are low it reproduces by a fruiting body-sporangia

3. Meiosis produces haploid spores_“Click

Page 26: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease
Page 27: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease
Page 28: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Cellular Slime Molds

1. Cellular slime molds feed as individual amoeba-like cells

2. When food and water supplies are low it reproduces

a. forms a slug-like colony

b. then fruiting body

3. Dictyostelium 3 stages: individual, colony, spore_

“Click”

Page 29: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

C. Water Molds & Mildews

1. Water molds decompose dead organisms in water

a. some are parasites

b. unicellular or thin branching filamentsc. sexual reproduction

2. Downy mildews are spread by the wind

a. Phytophthera infestans

–responsible for the Irish potato famine

-clones

Water molds & downy mildew more closely related to algae_

“Click”

Page 30: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

THE END

Page 31: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Algae

A. Dinoflagellates

B. Diatoms

C. Euglenoids

D. Seaweeds

Page 32: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

A. Dinoflagellates

1. Dinoflagellates

a. have two flagella

b. cell wall made of cellulose

c. causes red tide

2. Some can produce light_

“Click”

Page 33: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Diatoms

1. Diatoms contain cell walls made of glass

a. gritty, used in toothpaste and cleansers_

“Click”

Page 34: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

C. Euglenoids

1. Euglenoids

a. photosynthesize and absorb food

b. lack cell wall

c. eyespot helps them find light_

“Click”

Page 35: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

D. Seaweeds

1. Seaweeds are large multicellular marine algae

2. Green algae

a. are believed to be the closest relatives to plants

b. volvox live in colonies

c. spirogyra has spiral chloroplasts_

“Click”

Page 36: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease
Page 37: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease
Page 38: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease
Page 39: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Red algae

a. contain pigments that allow them to

capture light in deep water_

Page 40: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease
Page 41: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

4. Brown algae

a. giant kelp can reach up to 50 meters in length_

“Click”

Page 42: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

THE END

Page 43: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Ecological Roles & Disease

A. Ecological Role

B. Disease

““ClickClick””

Page 44: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

A. Ecological Role

1. Provide habitat for marine life

2. Act as a major food source in the water_

Page 45: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Form symbiotic relationships that can help others_

“Click”

Page 46: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Disease

1. Giardia- diarrhea

2. Trypanosoma- blood diseases

3. Dinoflagellates- red tide_

“Click”

Page 47: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

4. Amoeba- amoebic dysentery

5. Plasmodium- malaria_

Page 48: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

THE END

Page 49: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Diversity of Protists

A. Origin of Eukaryotes

B. Characteristics

C. Structure and Function

D. Modes of Nutrition

Page 50: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

C. Structure and Function

1. Extremely diverse

a. very complex cell structure

b. perform all the functions of other eukaryotes

Page 51: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Protozoans

A. Zooflagellates

B. Sarcodinians

C. Ciliaphorans

D. Apicomplexans

Page 52: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

1. Sarcodinians move by extensions of the cytoplasm (pseudopodia)

B. Sarcodinians

Page 53: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Forams

a. have porous shells made of calcium carbonate

b. shell buildup forms limestone

Page 54: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Forams

a. have porous shells made of calcium carbonate

b. shell buildup forms limestone

Page 55: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

4. Radiolarians

Page 56: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

4. Radiolarians

Page 57: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

4. Radiolarians

Page 58: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

A. Plasmodial Slime Molds

1. Plasmodial slime molds feed as a single mass of cytoplasm

2. When food and water supplies are low it reproduces by a fruiting body

Page 59: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

A. Plasmodial Slime Molds

1. Plasmodial slime molds feed as a single mass of cytoplasm

2. When food and water supplies are low it reproduces by a fruiting body

Page 60: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Cellular Slime Molds

1. Cellular slime molds feed as individual amoeba-like cells

2. When food and water supplies are low it reproduces

a. forms a slug-like colony

b. then fruiting body

Page 61: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

C. Water Molds & Mildews

1. Water molds decompose dead organisms in water

a. some are parasites

2. Downy mildews are spread by the wind

a. responsible for the Irish potato famine

Page 62: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

C. Water Molds & Mildews

1. Water molds decompose dead organisms in water

a. some are parasites

2. Downy mildews are spread by the wind

a. responsible for the Irish potato famine

Page 63: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

A. Dinoflagellates

1. Dinoflagellates

a. have two flagella

b. cell wall made of cellulose

c. causes red tide

2. Some can produce light_

Page 64: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Diatoms

1. Diatoms contain cell walls made of glass

a. gritty, used in toothpaste and cleansers

Page 65: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Diatoms

1. Diatoms contain cell walls made of glass

a. gritty, used in toothpaste and cleansers

Page 66: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Diatoms

1. Diatoms contain cell walls made of glass

a. gritty, used in toothpaste and cleansers

Page 67: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

C. Euglenoids

1. Euglenoids

a. photosynthesize and absorb food

b. lack cell wall

c. eyespot helps them find light

Page 68: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

D. Seaweeds

1. Seaweeds are large multicellular marine algae

2. Green algae

a. are believed to be the closest relatives to plants

b. volvox live in colonies

c. spirogyra has spiral chloroplasts

Page 69: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

4. Brown algae

a. giant kelp can reach up to 50 meters in length

Page 70: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

Ecological Roles & Disease

A. Ecological Role

B. Disease

Page 71: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

3. Form symbiotic relationships that can help others

Page 72: Protists Diversity of Protists Protozoans Slime Molds Algae Ecological Role & Disease

B. Disease

1. Giardia- diarrhea

2. Trypanosoma- blood diseases

3. Dinoflagellates- red tide


Recommended