Kingdom protista
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Kingdom Protista. Protists- the hodge - podge group. Basics. Eukaryotic 3 groups- animal like - Protozoans plant like- Algae fungi like- Slime molds

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Kingdom Protista

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Kingdom protista

Kingdom Protista

Protists- the hodge- podge group


Basics

Basics

  • Eukaryotic

  • 3 groups- animal like -Protozoans

    plant like- Algae

    fungi like- Slime molds

    Evolved from a symbiotic relationship: 1 prokaryote engulfed another (like a mitochondrial or chloroplast like cell) ENDOSYMBIOSIS


Protozoans animal like

Protozoans- animal like


Kingdom protista

  • Pseudopods stream in different directions to make amoeba move.

  • Single celled

  • Pseudopods surround food and engulf it


Giardia

Giardia

  • Can cause giardiasis.

  • Usually from contaminated water.

  • Called backpackers diarrhea


Paramecium

Paramecium

  • Use cilia to sweep food into oral groove and then digest in the gullet.

  • Has 2 nuclei- I macro and 1 micro


Plasmodium

Plasmodium

  • Causes malaria

  • Lives in gut of mosquito

  • Mosquito bites human

  • Injects some spores- they germinate and live in the blood


Algae plant like

ALGAE-Plant like

  • Contain chlorophyll or other pigment

  • Can be unicellular, multicellular or colonial

  • 7 types


Euglenophyte euglena

Euglenophyte: Euglena

  • Unique because they can do photosynthesis and ingest food(heterotrophic).

  • Has an EYESPOT which helps detect light so it can swim towards it to photosynthesize

  • Has a flagella for movement

  • Pellicle- thick outer covering


Chrysophyte golden algae

Chrysophyte:Golden Algae

  • Many unicellular

  • Some colonial

  • Gold colored chloroplast


Diatoms

Diatoms

  • Contain chlorophyll

  • Photosynthetic

  • Shell made of SILICA- used for abrasives in cleansers like toothpaste

  • Also called phytoplankton


Dinoflagellates

Dinoflagellates

  • Cell wall contains cellulose

  • Contain chlorophyll

  • Also have another pigment called carotenoid(orange color)

  • Cause Red Tide- due to overgrowth in the ocean. Produces a toxin that is harmful to sea life and humans


Red algae

Red Algae

  • Phylum Rhodophyta

  • Multicellular

  • Marine sea weed

  • Has no roots, stems, or leaves

  • Main structure called a thallus

  • Has Chlorophyll a and phycobilins that help harvest light at deep depths.


Brown algae

Brown Algae

  • Phylum Phaeophyta

  • Multicellular

  • Contain chlorophyll and a brown pigment- FUROXANTHIN

  • Kelp

  • Have air bladders to keep them afloat


Green algae

Green Algae

  • Phylum Chlorophyta

  • Most live in fresh water

  • Can be unicellular or multicellular

    Spyrogyra-multicellular

  • Volvox is a colonial green algae


Uses for algae

Uses for Algae

  • Base of the food chain

  • Produce O

  • Sushi:nori

  • Smoothener in foods like ice cream and pudding

  • Industrial uses: plastics, waxes, deodorant, paint, agar( material used to grow bacteria)


Fungi like slime molds and water molds

Fungi like – Slime Molds and Water Molds

  • Live in moist, cool environment

  • Watery molds- Oomycota


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