Notes Date _______________
Protists: Chapter 2 Lesson 3
Protists
A. Eukaryotes that _______________ be classified as animals, plants or fungi
B. A diverse group
 Most are _______________
 Some are large, simple multicellular
 Some are heterotrophs
 Some are autotrophs
 Some are _____________ heterotrophic & autotrophic
 Some can ____________
 Some cannot move
 All live in moist environments
Animal-like Protists
A. Like animals:
 Heterotrophic
 Most can _______________
B. Unlike animals:
 ___________________
C. Sarcodines
 Move with _________________ ‘false foot’
 Slow moving via the cytoplasm _____________ in a direction using the pseudopod and
then the rest of the body follows
 Ex. Amoeba
 http://www.youtube.com/watch?v=iRQTY_9Yekc
D. ______________________
 Protozoans that use ___________ or more long whiplike flagella to move
 Ex. Giardia
 http://www.youtube.com/watch?v=-yIHkq9R5_c
E. ________________
 Use hundreds of hairlike projections, cilia, to _____________ and feed
 Ex. Paramecium
 http://www.youtube.com/watch?v=fh_yjLppNAg
F. Spore-forming parasitic protists
 Feed on the body _______________ of their hosts
 Most depend on a host for transportation (ex. Mosquito)
 Ex. Plasmodium causes ______________________
Plant-Like protists (Algae)
A. Like Plants:
 Autotrophs that use photosynthesis & produce much of the world’s _______________
 Can be multicellular
B. Unlike Plants:
 Can be unicellular
 Lack true ______________, stems and roots
 Some can move and some are heterotrophic in _____________ to autotrophic
C. _____________________
 Unicellular ______________ that can act as heterotrophs in the absence of sunlight
 Eyespot used to detect light
 ______________ that allows movement
 http://www.youtube.com/watch?v=fI7nEWUjk3A
D. Dinoflagellates
 Unicellular
 Flagella
 Multicolor and some _____________ in the dark
 http://www.youtube.com/watch?v=EN1Yxq8KMsw
E. Diatoms
 Unicellular
 ____________-like cell walls
 Move by oozing along a slime released from the cell wall
 ___________ diatomaceous earth used in household products like Soft Scrub and
some toothpastes
F. ___________ Algae
 Multicellular seaweed
 Can grow ___________ underwater because of its ability to absorb even a small
amount of light (~260m)
 Nutrient rich ____________ and is used in ice cream (makes it smoother) and hair
conditioner
G. Brown Algae
 ______________ seaweed
 The most plant-like in _____________ of the plant-like protists
 _____________ and sometimes used as thickeners in puddings and
other foods
Fungus-like protists
A. Like Fungus:
 Heterotrophs
 Cell walls
 Reproduce with ___________________
B. Unlike Fungus:
 Are able to move at some point in their _____________
C. Slime Molds
 ___________________ colored
 Unicellular or multicellular
D. Water Molds & Downy Mildews
 Live in _________ places
 Attack crops (ex. Irish potato famine 1845 & 1846)