Upload
cuthbert-small
View
222
Download
1
Embed Size (px)
Citation preview
CHARACTERISTICS
Take in Oxygen through diffusion Can move like animals and react to
changes in the environment Can be Autotrophs (Plant-like) or
Heterotrophs (Animal-like or Fungus-like)
Chloroplasts
ONLY found in plant cells or cells that complete PHOTOSYNTHESIS. Make glucose for the cell by completing photosynthesis.
Harmful Protists
Produce a nerve poison in shellfish that kills humans and fish in red tide
Cause diseases: Chaga’s disease, Malaria, (another video), toxoplasmosis, dysentary, Trypanosomaisis, Leishmaniasis, Toxoplasma, Cryptospiridium, (2), Leishmaniasis, Brain Amoeba, African Sleeping Sickness
PLANT-LIKE PROTISTS (ALGAE)
1) Are autotrophs, have chlorophyll and cell walls.
2) Most are plankton (live and float around in water).
Euglena – move by flagella or whip-like tail
Flagellum
Nucleus
Chloroplast
Euglena swimmingEuglena showing
flagellum & chloroplasts
Diatoms
Uses of diatoms: 1) Fiberglass
insulation
2) Some paints
3) Car polish
4) Toothpaste
Diatomaceous Earth
Fiberglass Insulation
Algal blooms
When nutrients get into the water (farm runoff, factory wastes, detergents, etc.) algae grow in great numbers.
Algae using up oxygen can cause fish kills
Algal bloomsRed tide – Bloom of microscopic
red algae (rhodophyta)
Fish Kill during red tide
Red tide washing up on shore
Red algae inwater
4- Slime Molds Fungus-like protists that resemble different
organisms throughout their life span (resemble an amoeba, a fungus with spores, and a flagellate).
4- Slime molds
Scrambled egg slime:Fuligo septica
Leocarpus fragilis(plasmodium)
Trichia decipiens
Leocarpus fragilis(fruiting bodies)
Pseudopodia Endoplasm pushes on
the ectoplasm Ectoplasm pushes on
cell membrane & forms a pseudopod.
Ectoplasm then becomes endoplasm.
How a Paramecium Eats
Food passes into the gullet A food vacuole forms at the end of the gullet Food vacuoles float in the cytoplasm
Cilia moves food toward the oral groove
Food vacuoleAt end of the
gullet
After food is digested, waste exits through the anal spot
AnalSpot
CREDITS
http://www.aad.gov.au/default.asp?casid=3432 http://search.msn.com/images/details.aspx?
q=contractile+vacuoles&color=both&size=1p&ht=324&wd=432&tht=96&twd=128&su=http%3a%2f%2fwww.csupomona.edu%2f%257Eghkageyama%2fpg%2fcontractvac%2fcontractvac10.htm&iu=http%3a%2f%2fwww.csupomona.edu%2f%257Eghkageyama%2fpg%2fcontractvac%2ffiles%2fcontractvac_05.jpg&tu=http%3a%2f%2fimages.picsearch.com%2fis%3f325572626578&sz=49
http://www.tnmanning.com/id150.htm