BIOL1202 CH26

Members of which group are one of the most important producers in marine ecosystems, although sometimes they form blooms known as red tides?

dinoflagellates

among the protest groups, which has organisms that typically move w/ one or more flagella?

diplomonads

Who am I? I have the same photosynthetic pigments as plants, but I can also obtain nutrients by ingestion

euglenoids

ancestors of _______ may have possessed mitochondria which were lost or reduced during evolutionary history

giardia

brown algae lack true roots but have similar structures called _________ that anchor them to the substrate

holdfasts

What am I? I am an anaerobic excavate that is an endosymbiont of animals.

parabasilid

members of this group are characterized by a multinucleate amoeboid -like feeding form called a plasmodium

plasmodial slime molds

members of this group typically consist of amoeboid cells surrounded by a hard outer shell through which cytoplasmic projections extend

rhizarians

which algal group contains individuals that are typically unicellular and form siliceous shells?

diatoms

symbiotic association in which one partner benefits and the other is unaffected is called:

commensalism

Who am I? I cause African sleeping sickness

Trypanosoma

you find a protist that has a single flagellum surrounded by a collar of microvilli. You correctly conclude that this organism is

a choanoflagellate

Malaria is caused by an ____________, which is carried to a host by a ________

apicomplexan; mosquito

some protists consist of a single cell w/ multiple nuclei. This condition is known as:

coenocytic