Protista

Question 1

Excatava

Answer 1

One of the four supergroups of Protista; characterized by lack of true mitochondria, Diplomads, Parabasalids, and Euglenoids.

Question 2

Diplomads

Answer 2

Excavata subgroup with two nuclei, a feeding groove, flagella, and anaerobic mitosomes.

Question 3

Parabasalids

Answer 3

Excavata subgroup with an undulating fin, anaerobic metabolism, and nitrogen-fixing “mitochondria”; can cause disease in humans.

Question 4

Euglenoids/Euglenozoa

Answer 4

Excavata subgroup with mixotrophic behavior, crystal rod flagella, and includes organisms causing malaria and Chagas disease

Question 5

SAR

Answer 5

One of the four supergroups of Protista; includes Stramenopiles, Alveolates, and Rhizarians.

Question 6

Stramenopiles(3)

Answer 6

SAR subgroup with two flagella (hairy and smooth), includes diatoms (glass shells), golden algae (mixotrophic, cone flagella), and brown algae (plant-like appearance).

Question 7

Alveolates

Answer 7

SAR subgroup with air pockets under the membrane, includes dinoflagellates (important in aquatic ecosystems).

Question 8

Rhizarians

Answer 8

SAR subgroup with pseudopodia for movement and feeding.

Question 9

Archaeplastida

Answer 9

One of the four supergroups of Protista; includes red algae (seaweed), green algae (closely related to plants), and plants.

Question 10

Jnikonta

Answer 10

One of the four supergroups of Protista; includes Entremba, Eutakonta, Choanoflagellates (closest to animals), and animals.