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Friday, April 21, 2023

Welcome!How ya’ll are?

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Kingdom Protista

ALGAE (plant-like protists)

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Phylum Euglenophyta

Common Name Euglenoids

Habitat Freshwater & marine

Nutrition both

* Special Structures move with a flagellum; no cell wall; easily change shape

Unicellular/Multicellular unicellular

Economic/Biological Importance

Part of plankton, start of food web

Drawings/Examples Euglena gracilis

Kingdom Protista (plant-like protists)

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Kingdom Protista (plant-like protists)

Euglenophyta

Euglena in Motion

Euglena w/ Notations

Euglena in Dark Field

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Phylum BacillariophytaCommon Name Golden algae (diatoms)

Habitat Freshwater & marine

Nutrition autotrophic

* Special Structures yellow-green to golden-brown colors; glass-like outer shell, like a lid on a box

Unicellular/Multicellular Mostly unicellular

Economic/Biological Importance

Food source for marine and freshwater organisms; abrasive agent in powders

and toothpaste

Drawings/Examples Navicula lyra

Kingdom Protista (plant-like protists)

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Kingdom Protista (plant-like protists)

Bacillariophyta

Diatoms in Action

Golden Algae

Two Diatoms

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Phylum Chlorophyta

Common Name Green algae

Habitat Freshwater, moist soil, some marine forms

Nutrition autotrophic

* Special Structures green color; multi-celled colonies or filaments

Unicellular/Multicellular Unicellular and multicellular

Economic/Biological Importance

Food for marine and freshwater organisms; produces oxygen

Drawings/Examples Volvox aureus, Ulva lactuca

Kingdom Protista (plant-like protists)

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Kingdom Protista (plant-like protists)

Chlorophyta

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Phylum Phaeophyta

Common Name Brown algae

Habitat Marine only

Nutrition autotrophic

* Special Structures brown color; stem-like, root-like and leaf-like parts;

Unicellular/Multicellular multicellular

Economic/Biological Importance

source of iodine, kelp used as fertilizer or food; algin used to

thicken ice cream

Drawings/Examples Macrocystis pyrifera

Kingdom Protista (plant-like protists)

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Kingdom Protista (plant-like protists)

Phaeophyta

Brown Algae: Kelp

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Phylum Rhodophyta

Common Name red algae

Habitat Marine, some freshwater and land

Nutrition autotrophic

* Special Structures Red color and feathery shapes

Unicellular/Multicellular multicellular

Economic/Biological Importance

used to make ice cream, pudding and cake frosting; food for

humans; makes agar-used to grow bacteria in the lab

Drawings/Examples Chondrus crispus

Kingdom Protista (plant-like protists)

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Red Algae_Aquarium

Kingdom Protista (plant-like protists)

Rhodophyta

Chondrus crispus

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Kingdom Protista

PROTOZOA (animal-like protists)

SLIME MOLDS (fungus-like protists)

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Phylum Rhizopoda

Common Name Rhizopods (Amoeba)

Habitat water (fresh/marine), land

Nutrition heterotrophic

Special Structures some have chalklike and glasslike skeletons

* locomotion Pseudopods (false feet)

Economic/Biological Importance

some form limestone and chalk deposits; some are parasitic causing disease (dysentery)

Drawings/Examples Amoeba proteus

Kingdom Protista (animal-like protists)

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Video

Friday, April 21, 2023

•Protist Locomotion_3 Phyla

•Amoeba in Motion

•Amoeba in Motion _2

•Amoeba Feeds

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Phylum Ciliophora

Common Name Ciliates

Habitat freshwater/marine

Nutrition heterotrophic

Special Structures Two types of nuclei

* locomotion cilia (tiny hairs)

Economic/Biological Importance

Eat bacteria and amoebas, part of food webs

Drawings/Examples Paramecium caudatum

Kingdom Protista (animal-like protists)

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Phylum Zoomastigina

Common Name flagellates

Habitat freshwater/marine, hosts

Nutrition heterotrophic

Special Structures flagella

* locomotion flagella (whip-like tail)

Economic/Biological Importance

some are parasitic (African sleeping sickness); some help

termites digest wood (mutualism)

Drawings/Examples Trypanosoma ganbiense

Kingdom Protista (animal-like protists)

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Video

Friday, April 21, 2023

•Protist Locomotion_3 Phyla

•Cilia and Flagella

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Phylum Sporozoa

Common Name sporozoans

Habitat Animal hosts

Nutrition heterotrophic, all parasites

Special Structures form spores to aid in dispersal from host to host

* locomotion non-motile

Economic/Biological Importance

all are parasites; Plasmodium causes malaria and is carried

mosquitoes

Drawings/Examples Plasmodium malariae

Kingdom Protista (animal-like protists)

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Kingdom Protista (animal-like protists)

Sporozoa

Life Cycle of Sporozoa

Malaria_Sporozoa

Malaria: No Ordinary Mosquito Bite

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Phylum Myxomycota

Common Name plasmodial slime mold

Habitat land

Nutrition heterotrophic

Special Structures features of fungi (forms spores) and protozoans (flagella); sometimes

unicellular and multicellular

* locomotion amoeba-like plasmodium; flagellated swarm cells

Economic/Biological Importance

decomposers

Drawings/Examples Physarum polycephalum

Kingdom Protista (animal-like protists)

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Kingdom Protista (fungus-like protists)

Myxomycota

Myxomycetes

Slime Mold

Physarum

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Video

Friday, April 21, 2023

Myxomycetes

Slime Mold

Physarum

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