Major Lineages of Eukaroytes

Excavata

related to earth earliest eukaryotes

named for feeding groove “excavated” into the cells of many representatives

Plantae

obtained plastids by primary endosymbiosis (envelope with 2 membranes)

red algae, green algae, glaucophytes, land plants (not protists)

based on that all primary plastids originated with a single endosymbiotic event

Alveolata

Ciliophora (ciliates - conjugation)

Dinozoa (dinoflagellates, some photosynthetic, nearshore oceans)

apicomplexa (medically important parasites, plasmodium)

named for sac like membranous voicle (alveoli) present in cell

stramenopila (wide range of algae, protozoa, and fungus like protists, flagellated cells at some points, strawlike hairs on surface of flagella)

Rhizaria

thin hair like extensions of teh cytoplasm called filose pseudopodia

Amoebozoa

many types of amoebae

move using psedopodia

entamoebia histolytica

slime molds

opisthakonta

named for single posterior flagellum on swimming cells

animal and fungal kingdoms

choanoflagellate protists