Kingdom Protista

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Kingdom Protista

Fungus Like Protists

➞ Heterotrophic: absorbs nutrients from living and dead organisms and waste ➞ Produces spores like fungi

Phylum Oomycota

Water Mould

➞ Filamentous ➞ Some parasitic (extend threads into host tissues and absorb nutrients)

Phylum Acrasiomycota

Cellular Slime Mould

➞ Individual amoeboid cells, 1 nucleus each ➞ Ingests bacteria or yeast ➞ Pseudoplasmodium forms when food is scarce

Phylum Myxomycota

Plasmodial Slime Mould

➞ Slug like, creep over decaying material ➞ Has streaming blobs that contain many nuclei

Plant Like Protist

➞ Autotrophs: create their own food source from photosynthesis ➞ Able to photosynthesize using chloroplasts/chlorophyll

Unicellular

Phylum Euglenozoa

Euglenoids

➞ Autotrophs in sunlight ➞ Heterotrophs in the dark ➞ Has an eyespot to detect light

Euglena 40x

Euglena 100x

Euglena 400x

Phylum Chrysophyta

Diatoms

➞ Diverse and abundant phytoplankton ➞ Food source for marine animals ➞ Rigid cell walls with outer layer of silica

Phylum Pyrrophyta

Dinoflagellates

➞ Some species cause red tides (can be harmful to humans) ➞ Bioluminescence

Symbiodinium

Multicellular

Algae

Spirogyra 40x

Spirogyra 100x

Spirogyra 400x

Animal Like Protist

➞ Heterotrophs: consume other prokaryotes ➞ Some are parasitic

Sporozoans

Plasmodium

Subtopic

Sporozoans primarily live in the blood cells or other organs like the muscles or kidneys

Causes life threatening malaria

Phylum Zoomastigina

Trichonympha

Phylum Cilliophora

Paramecium

Paramecium 40x

Paramecium 100x

Paramecium 400x

Balantidium coli: causes diarrhea in humans, only ciliate parasite in humans

Aquatic environments

Has cilates

Phylum Cercoza

Amoeba

Amoeba Proteus 40x

Amoeba Proteus 100x

Amoeba Proteus 400x

Diseases

Entamoeba hystolitica causes amoebic dynastry

Habitat

Decaying vegetation in fresh or salt water or in animals

Movement

Has pseudopods

Protists

A eukaryotic organism usually unicellular, that is not a fungus, plant, or animal (miscellaneous group)

Characteristics

➞ Eukaryotic ➞ Most are unicellular (except algae) ➞ Grouped based on nutrition (heterotrophs or autotrophs) ➞ Protists use cilia, pseudopods, or flagella to move ➞ Most protists are single-celled. ➞ Some are multicellular but do not form trust tissues

Reproduction

Most reproduce asexually sometimes sexually