Paramecium: parts and life functions (Mr. Lipton)

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Parts of a paramecium and how they perform their life functions

Ingestion

cilia beat food into oral groove

Locomotion

cilia beat like oars, move in a corkscrew fashion

Digestion

occurs in the food vacuoles

Respiration

O2 enters through cell membrane

Excretion (solid)

anal pore

Excretion (liquid)

pumped out through the contractile vacuoles

Excretion (gas)

CO2 goes out through the membrane

Sensitivity

go to light and away from heat

Growth

paramecium take in food to perform ___

Reproduction

asexual/fission (split in half)

Trichosysts

poison darts in the membrane

Conjugation

when 2 paramecium join at the oral groove, each exchanges some of its DNA so that both are now a bit different

Oral Groove

takes in water and food

food vacuoles

bubles of food that float around in a paramecium

contractile vacuoles

pump out unwanted liquid

anal pore

gets rid of solid wastes

Macronucleus

performs bodily functions

Micronucleus

performs only during reproduction

cilia

pump water/food into oral groove

cell membrane

what oxygen and carbon dioxide enter/exit through

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