Eukaryotes (Lecture 4)

True of False: "Prostist" are a monophyletic group

• True

• False

Which of the following MOST accurately describes a protist?

• They are multicellular prokaryotic organisms

• They are unicellular prokaryotic organisms

• They are multicellular eukaryotic organisms

• They are unicellular eukaryotic organisms

If I told you a protist was a mixotroph, you would expect it to have

• mitochondria only

• chloroplasts only

• mitochondria and chloroplasts

• neither mitochondria nor chloroplasts

All protists have some version of a ________. This is an ancestral condition.

• chloroplast

• mitochondria

• cyanobacterial symbiont

• red algae

_________ are protists within the Eukaryotic supergroup SAR. They have two flagella, which sit in armored plates, that help them spin. In large quantities, they cause "blooms" which are commonly called "red tides" and produce dangerous toxins.

• Forams

• Dinoflagellates

• Euglena

• Diatoms

Euglenozoans (like Euglena) and ________ are both members of the Eukaryotic Supergroup Excavata. While Euglena are heterotrophs, this other group have modified mitochondria called mitosomes that make them primarily ________.

• Diplomonads; parasitic

• Parabasilids; heterotrophic

• Diatoms; heterotrophic

• Foraminifera; photosynthetic