A | B |
phytoplankta | photosynthetic protists |
chlorophyta | ancestors of plants |
rhodophyta | algae with phycoerthrin, a red pigment |
brown algae | for example, the kelps |
diatoms | phytoplankta with Silica dioxide (glass) shells |
foraminiphera | algae with intricate shells made of calcium carbonate |
dinoflagellates | cause toxic red tides when they bloom in water high in phosphates and nitrates |
euglena | eyespots allow positive phototaxis towards light |
paramecia | macronucleus for daily functions, micronucleus for sexual reproduction |
contractile vacuole | in paramecia allow osmotic regulation |
green algae | only algae with chlorophylls a, b, & starch |
oomycota | large gametes made in gametangia, caused potato blight |
slime molds | unicelluar amoeboid cells aggregate to form fruiting bodies in adverse conditions |
holdfast | root like preadaptation in sea weeds |
blade | leaf like preadaption in sea weeds |
cellulase | excreted by protists in ruminant ceca |
agar & carageenan | dehydration prevention in low tides |
amoeba | animal like moving with pseudopodia |
giardia | cause amoebic dissentery |
apicomplexa | require 2 hosts & cause malaria & sleeping sickness |
intracellular digestion | employed by ingestive animal-like protists |
phagocytosis | cell eating |
zooplankta | means floating animal like protists |
protozoa | means ancestors of animals |
sea weeds | outgroup in the kingdom protist |
2 to 2.5 billion years ago | 1st protists form by endosymbiosis |
conjugation | fusion of unicellular protists followed by meiosis |