Chapter 2: Protist Flashcards
Many protists are _____
Unicellular with diverse shapes
What are the 3 type of protists?
1.Animal-like protist
2.Fungi like protist
3.Plant like protist
Describe animal-like protist
-The protozoans (animal like) are HETROTROPHS
-Some are PARASITIC
Name the 4 animal-like protist phyla
1.Cercozoa
2.Ciliaphora
3.Zoomastigina
4.Sporazoa
Identify phylum cercozoa
ANIMAL-LIKE PROTIST
-Use PSEUDOPODS (fake feet) for movement and engulf foods
-Known as shape shifter as they change form to engulf food
-Live in freshwater and saltwater and humans as parasites
Identify phylum ciliaphora
ANIMAL-LIKE PROTIST
-Covered in CILIA (hair like projections)
-Cilia is used to help stick with LOCOMOTION and sweeping food
-Live in various of environments
-They are LARGE and COMPLEX organisms
Identify phylum zoomastigina
ANIMAL LIKE PROTIST
-Contain species with HARD PROTECTIVE COVERING the OUTER-MEMBRANE
-Covering called flagellates since they have ONE or MORE whip like flagella
-Live in various of environments (MUTUALISTIC)
Identify phylum sporozoa
ANIMAL LIKE PROTIST
-Unique since they can alternate through SEXUAL and ASEXUAL reproduction depending on their host
-One specie causes malaria in humans
Describe fungus-like protists
-These protist can absorb nutrients from LIVING and DEAD organisms
-Simmilar to fungi as they cab produce spores (help w reproduction)
-Their structure of the cell wall is different from fungi
-Can be classified into 2 categories: _____ MOULDS and ____ MOULDS
What are the two type of fungus-like protist
- SLIME MOULDS
- WATER MOULDS
Name the 3 fungus-like phyla?
1.Myxomycota
2.Acrasiomycota
3.Oomycota
Identify phylum myxomycota
FUNGUS-LIKE PROTIST
-Known as PLASMODIAL SLIME MOULDS
-Can be seen by the naked eye
-Found in decaying matter in the forest
-Engulfs small particles
-PLASMODIUM CONTAINS MANY NUCLEI
Identify phylum arcasiomycota
FUNGUS-LIKE PROTIST
-Known as CELLULAR SLIME MOULDS
-Different from myxomycota as they contain ONE NUCLEUS
Identify phylum oomycota
FUNGUS-LIKE PROTIST
-Known as filamentous water moulds
-Consume dead organic matter
-Some species are PARASITIC and draw nutrients out of the host by extending fungus like threads into the tissue and releasing digestive enzymes
Describe plant-like protist
-Unicellular plan-like protist (ex:diatom, dioflagellates, euglenoids)
-All contain photosynthetic pigments in their chloroplast
-Responsible for half the photosynthesis in our planet
Name the 3 plant-like protist
1.Chrystophyta
2.Pyrrophyta
3.Eulgenophyta
Identify phylum chrysophyta
PLANT-LIKE PROTIST
-Known as phyloplankton
-Diverse group of free living aquatic diatoms
-Cell wall made out of sillica
-Reproduce asexually
-Shapes include triangle square circle
Identify phylum pyrrophyta
-PLANT-LIKE PROTIST
-Have 2 right angle flagella (DINOFLAGELLATES)
-They make a spinning propelling motion
-Reproduce very quickly causing algal blooms
-Red colour
-Colonies?
Identify phylum euglenophyta
-PLANT-LIKE PROTIST
-Mostly freshwater species
-Autotrophic in the light (photosynthesis)
-Heterotrophic in the dark (absorb nutrients)
-Their flagella** pulls not propels**
-Have eye spots where it guides them to light
