Transcript The Protista Gallery - Kent City School District

Kingdom Protista
Chapter 20
“Diversity is the Key”
What is a protist?
Unicellular
Eukaryotic
Classified into 3 general categories
Animal like
Plant like
Fungus like
*Based on mode of metabolism
Animal Like Protists
1.
2.
3.
4.
Classified by movement
Zooflagellates
Sarcodines
Ciliates
Sporozoans
Zoomastigina
Euglena, Trypanasoma
“Flagellates” move by
using a whip like tail
Have red pigmented
eyespot for detecting
light
Sarcodina
Amoeba proteus
Move and eat using
psuedopods
Flexible and active
Fresh and Salt Water
Ciliophora
Paramecium/Vorticella
Move by using cilia
Macronucleus-day to day
Micronucleuschromosomes and DNA
Stentor to the right
Fresh and Salt Water
Contractile Vacuoles to
remove water
Sporozoa
Plasmodium
Reproduce using spores
Parasites, carried by
insects
Plasmodium causes
malaria
Plant Like Protists
1.
2.
3.
4.
5.
Classified by color
Diatoms
Dinoflagellates
Red Algea
Brown Algea
Green Algea
Bacillariophyta
Diatoms
Contain carotenoids for
their gold pigments
Have geometric shells
that are cell walls made
of silica
Marine and Freshwater
Many Uses
(glass,toothpaste, soil
component)
Pyrrophyta
Dinoflagellates
Double flagella
Can secrete toxins in Red
Tide (found in shellfish)
Not all toxic, give off light
Rhodophyta
Red Algae
Absorbs blue
wavelengths of light
allowing them to live
deeper in the water
column
Helps build coral reefs
Phaeophyta
Brown algae/Kelp
Largest of the algae
Can grow up to 60 m
Closely related to land
plants in structure
Mostly marine
Giant Kelp
Chlorophyta
Volvox, Ulva
Most numerous of all
plantlike protists
Fresh and marine water,
green algae
Most attach to rocks
Ulva shown to the
right
Fungus Like Protists
1.
2.
3.
Classified by reproduction
Cellular Slime Molds
Acellular Slime Molds
Water Molds
Acrasiomycota
Cellular Slime Molds
Move like amoeba
Reproduce with spores
from “fruiting body” and
undergo cell division?
When food runs out,
spores are released
Myxomycota
Plasmodial Slime Molds
Considered a giant bag
of cytoplasm with many
nuclei
Reproduce by spores
from “sporangia”
Extend vein like
structures to absorb
decaying food
Can grow several meters
Oomycota
Water molds and downy
mildews
Saprophytic or Parasitic
Thrive on detritus in the
water
Make “hyphae” or thin
filaments 
Alternate b/t sexual and
asexual reproduction