Shared Flashcard Set

Details

Protozoans
Protozoa Facts
46
Science
7th Grade
11/26/2008

Additional Science Flashcards

 


 

Cards

Term
What phylum does the protist amoeba belong to
Definition
Sarcodina
Term
What mechanism is used by amoeba to move
Definition

Cytoplasmic streaming

(formation of false feet-pseudopods)

Term
What is the difference between ectoplasm and endoplasm
Definition

Ectoplasm is thin and watery

Endoplasm is dense and grainy

Term
Where do protists live
Definition
wherever there is water
Term
What are algae
Definition
they lack leaves,stems,roots,specialized tissues for foof and watwr transportation
Term
How do amoebas get rid of waste
Definition

contractile vacuole

Term
Where is food taken in and digested
Definition
food vacuole
Term
How do amoebas react to light and touch
Definition
move away from them
Term
How do the amoeba reproduce
Definition
binary fission
Term
What is the phylum for Paramecium
Definition
Ciliophora
Term
What is the shape of a paramecium
Definition
slipper shaped
Term
How do paramecium move
Definition
tiny hairs called cilia
Term

Where is the pointed end found

Definition
posterior end
Term
Where is the rounded end found
Definition
anterior end
Term
What does the anal pore do
Definition
gets rid of solid waste
Term
How do paramecium respond to movement,heat and cold
Definition
move away from it
Term
What is a trichocyst
Definition
a poisonous stinger found under the pellicle
Term
What is the job of the micronucleus
Definition
It acts during reproduction
Term
What is the job of the macronucleus
Definition
It helps control the cell
Term
What are the 2 methods of reproduction in the paramecium
Definition
binary fission and conjugation
Term
What is conjugation
Definition
a sexual form of reproduction
Term
How does conjugation work
Definition

2 paramecium lay side by side

they form a bridge between them

they then exchange genetic material

they then pull apart

Term
What is the phylum for Euglena
Definition
Mastigophora
Term
Why is a euglena considered a plant like organism
Definition
because it has chloroplasts and makes its food
Term
What methods of movement does the euglena exhivit
Definition

flagellar-twisting/oscillating

eulenoid-a rolling over/somersaulting

Term
What are the 2 methods of food getting in a euglena
Definition
makes its own food and absorbs food
Term
How do euglena reproduce
Definition
binary fission
Term
What are Sporozoans
Definition
they are paraisitic protozoans
Term
Name 2 diseases caused by sporozoans
Definition
malaria and african sleeping sickness
Term
What is the economic importance of protozoans
Definition

make filters

scouring powders

Term
What are protozoans
Definition

unicellular

have a nucleus

autotropic/heterotropic

Term
What is the vegetative body of an algae called?
Definition
Thallus
Term
What is a chain of algal cells called?
Definition
Filament
Term
Why are algae autotropic?
Definition
They make their own food
Term
Where do they live?
Definition
Water
Term
What type of reproduction do they have?
Definition
Asexual and sexual
Term
How are they characterized?
Definition
color,structure,storage of food and reproduction
Term

What are the characteristics of blue green algae?

Definition

.no nucleus

.blue green in color

.reproduce asexually

Term
What are the characteristics of green algae?
Definition

.nucleus

.green to black in color

.asexual and sexual reproduction

Term
List brown algae
Definition
Fucus,sargassum and kelp
Term
List several green algae
Definition

protoccus

spirogyra

chlorella

dinoflagellates

Term
What are diatoms used for?
Definition

scouring powders(comet,ajax)

insulation

refining sugar and gasoline

polishes

Term
Why are algae important?
Definition

food for animals

making foods

in space the production of oxygen for astronauts

Term
What are Lichens?
Definition
An algae and a fungus living together
Term
What is symbiosis?
Definition
two organisms living together for the common good of both
Supporting users have an ad free experience!