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34 Cards in this Set
- Front
- Back
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protists |
eukaryotic
unicellular |
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mutualism |
both benefit |
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commensalism |
one benefits
the other isn't helped nor harmed |
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parasitism |
one suffers
other benefits |
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autotroph |
can make their own food |
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phototroph |
use photosynthesis to make food |
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heterotroph |
get organic molecules from others via ingestion/ feeding |
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oold taxonomy main characteristic |
locomotion |
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cilia + flagella |
undiplipodia
have internal structure called axoneme
cilia = flicker
flagella = whip - like |
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9 + 2 microtubule arrangement |
9 longitudinal microtubules arrange around a central pair |
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pseudopods |
extensions of the cytoplasm
used in locomotion |
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ectoplasm |
rim of cytoplasm
outer part of cells
transparent rigid gel |
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endoplasm |
inner fluid region
contain nucleus and organelles |
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lobopodia |
large blunt extensions
contains endo andectoplasm |
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limax form |
move like a whole body
instead of sending out arms |
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filopodia |
thin sharp pointed extensions of ectoplasm only |
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rhizopodia |
branched filaments only |
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axopodia |
long thin pointed
supported by axial rods of microtubules |
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nucleus |
membrane bound with numerous pores
contains DNA one or more nucleoi |
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macronucleus |
larger
controls everything but reproduction |
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micronucleus |
smaller
controls reproduction |
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kinetosome |
basal body
located at base of axeoeme from where cilia and flagella grow |
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hydrogenosomes |
without mitochondria
organelles have respiratory function without oxygen
don't have their own DNA |
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Golgi apparatus |
secretory and digestive functions
parabasal bodies |
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plastids
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photosynthetic pigments
endosymbiosis
EX: chloroplasts |
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contractile vacoule |
water is collected
emptied into canals then into a vesicle vesicle contracts to empty its contents to the outside serves as an osmoregulation organelle |
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encystment |
formation of a cyst |
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excystment |
escape from a cyst important for parasites to survive the transfer from one host to another |
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Naegleria fowleri |
DISEASE: primary ameobic meningoencephalitis (brain eating ameoba)
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Entamoeba histolytica |
DISEASE: dysentary
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Eimeria tenela |
DISEASE: coccidiosis |
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Toxoplasma gondii |
DISEASE: toxoplasmosis |
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Plasmodium |
DISEASE: malaria |
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Pseudopod movement requires: |
actin calcium myosin |
