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110 Cards in this Set

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  • Back
Are protists unicellular and multicellular?
Yes
How are protists classified?
First, by group they are most like
Second, by the way they move
Animallike protists are called
protozoans
Swim with flagella
Zooflagellates
absorb food through cell membrane
zooflagellates
reproduce by binary fission
zooflagellates
live in lakes and ponds (freshwater only)
zooflagellates
Name an example of a zooflagellate
Trichonympha, which lives in the stomach of termites
What is in the phylum Sarcodina?
Sarcodines
use pseudopods for movement
Sarcodines
feed using a food vacuole
Sarcodines
Name an example of a sarcodine
Amoeba and foraminiferans (cliffs of dover)
Ciliates are in the phylum
Ciliophora
use cilia for movement
Ciliates
Do ciliates live in only fresh water?
NO, they can live in both fresh and salt water
Free living (non parasitic
ciliates
Example of a ciliate is
paramecium
What are trichocysts on and what are they used for?
They are on ciliates and they are used for defense
Controls day to day activities
macronucleus
controls conjugation
micronucleus
What is conjugation?
Paramecium sex
What does food enter?
oral groove
Traps food
gullet
Opening for waste
anal pore
Phylum Sporozoa: name how it moves and a characteristic of it
Non motile (cannot move on its own, must rely on carriers like animals and wind) and it is parasitic
Name an example of a sporozoa
Plasmodium, which cause malaria
What causes malaria?
plasmodium
what causes african sleeping sickness?
trypanosoma
what spreads african sleeping sickness?
tsetse fly
What causes amebic dysentary?
Sarcodine Entamoeba
how is amebic dysentary spread? what does it cause?
contaminated drinking water, and causes severe diarrhea
What causes giardia?
a zooflagellate
where is ghiardia found?
the intestines of mammals
how can you kill zooflagellates?
by boiling water or adding iodine
Name 3 important functions of protists
1. food chain
2. they are decomposers
3. symbiotic relationship with other organisms (ex. trichonympha in termite stomach)
Are plantlike protists unicellular or multicellular?
Unicellular
how do plantlike protists obtain food?
they contain chlorophyll to make energy from light (autotrophic)
Can plantlike protists be autotrophic and heterotrophic?
Yes
Euglenophytes have 2 flagella but no
cell wall
Euglenophytes have
chloroplasts
Euglenophytes are found in what type of environment?
water
Name an example of a euglenophyte
Euglena
Dinoflagellates are also known as ___________ which are known as "________ ____________"
pyrrophytes, which are known as "fire protists"
Reproduce by binary fission
Dinoflagellates
Luminescent
Dinoflagellates, "fire protists"
What color are Chrysophytes?
yellow green
What color are chrysophyte's chloroplasts?
gold colored
Name Chrysophyte's movement
flagella or no movement at all
Store food as oil
Diatoms
Most abundant organism on earth
diatoms
cell walls are made of silicon
diatoms
Make up phytoplanton
unicellular algae
small photosynthetic organisms that float on the ocean's surface
phytoplankton
What happens when algal blooms?
they deplete the oxygen from the water, therefore killing animals, called "red tide"
live deep in the sea
red algae
largest algae
brown algae
What is a example of brown algae?
giant kelp
foundin cool, shallow coastal waters
brown algae
similar to plants
green algae
this algae lives in fresh and saltwater
green algae
Name three example of green algae
volvox, ulva, spirogyra
major food source for ocean life
algae
Can funguslike protists be cellular and acellular?
yes
cellular slime molds have
cell membranes
have large fused cells with many nuclei
acellular
have cell membranes
cellular
white fuzz on dead fish
water mold
thrive on dead or decaying organic matter inwater
water molds
Name three things that funguslike protists do in the world
1. decompose
2. cause mildews and blights on tomatoes and grapes
3. caused the great potato faminein ireland
absorb nutrients from dead and decaying matter
saprobic
True or false: half of food in tropical areas is spoiled before it can be eaten
true
Fungi is
heterotrophic
cell walls are made of
chitin, a complex carbohydrate found in insect exoskeletons
how does fungi digest food?
outside the body and absorbs it
fungi is unicellular or nulitcellulaer?
multi except for yeast
Fungi is made of
hyphae
what is hyphae?
tiny filaments one cell thick
hyphae together form a
mycelium
Name reproduction of fungi
asexual and sexual
Spores are produced in
sporangia
where are sporangia located?
on the tips of specialized hyphae
name the three steps of asexual reproductoin
1. cells or hyphaw break off and begin to grow
2. spores are released and scattered
3. Spores are produced in sporangia
is sexual fungi male and female?
no, positive and negative
structure that forms gametes
gametangium
name a way fungi can spread
through animals
true or false: spores are difficult to spread
false, they spread very easily
recycle nutrients by breaking down dead organisms
fungi
lichen is made of
an algae and a fungus
What does the algae do and what does the fungus do in a lichen?
the algae proves food through photosynthesis and the fungus provides water and minerals
what does parasitic fungi target?
animals and plants
name a disease parasitic fungi brings on plants and animals
plant: corn smut, mildew, wheat rust
animal: athlete's foot, ringworm, yeast infection
what makes up the symbiotic relationship of mycorrhiazae?
plant roots and fungi
what does the partners in mycorhizae do?
the fungi increases surface area for water and mineral uptake
plant gives food from photosynthesis
howmany species of fungi are there?
100,000
what phylum are common molds in?
Zygomycota
what is a ex. of zygomycota?
bread mold
rootlike hyphae
rhizoids
What do rhizoids do?
attach to bread and use enzymes to digest food
stemlike hyphae
stolons
run along the surface
stolons
Sac fungi
ascomycota
name an example of a sac fungi
yeast, cup fungi
ascus contains
spores
yeasts are m or u?
unicellular
what give off carbon dioxide?
yeast
Basidiomycota
club fungi
typical cap mushroom belongs in this one
club fungi
Deuteromycota
imperfect fungi
What are some products of the imperfect fungi (deuteromycota)
penicillin
athlete's foot
ringworm
this does not have sexual reproduction
imperfect fungi ( deuteromycota)