Lecture Notes: Protist Supergroups and Plant Evolution (Archaeplastida and Unikonta)

0.0(0)
studied byStudied by 0 people
0.0(0)
full-widthCall with Kai
GameKnowt Play
New
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/22

flashcard set

Earn XP

Description and Tags

A comprehensive set of Q&A flashcards covering Archaeplastida (red/green algae and plants), plastid origins, key green algae groups, Charophyte relationships, Unikonta, Amoebozoans, slime molds, Entamoebas, and Opisthokonts.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

23 Terms

1
New cards

Which groups comprise Archaeplastida?

Red algae, green algae, and land plants.

2
New cards

How did plastids arise in Archaeplastida?

Through primary endosymbiosis: a heterotrophic protist engulfed a cyanobacterium.

3
New cards

What pigment gives red algae their color and deep-water advantage?

Phycoerythrin.

4
New cards

Do red algae have flagellated gametes?

No; fertilization depends on water currents.

5
New cards

Name three economic uses of red algae.

Nori (sushi), agar, carrageenan.

6
New cards

What does Viridiplantae refer to?

A proposed plant kingdom including green algae and land plants.

7
New cards

What are the two main green algae groups?

Chlorophytes and Charophytes.

8
New cards

Which green algae group is most closely related to land plants?

Charophytes.

9
New cards

Name a unicellular chlorophyte model organism.

Chlamydomonas.

10
New cards

What colonial chlorophyte shows early multicellularity?

Volvox.

11
New cards

What is Ulva (sea lettuce) notable for?

A multicellular green alga with a leaf-like body; blades and holdfast; edible.

12
New cards

Charophytes: why are they called 'true plant sisters'?

They are the protists most closely related to land plants and share cell-wall proteins and protective zygotes.

13
New cards

What is the significance of Charophytes in plant evolution?

Direct ancestors of land plants.

14
New cards

What is the Archaeplastida foundation statement?

Archaeplastida is the foundation of plant evolution.

15
New cards

What are the two major clades of Unikonta?

Amoebozoans and Opisthokonts.

16
New cards

What are Amoebozoans known for in movement and feeding?

Moving and feeding with pseudopodia (extensions of cytoplasm).

17
New cards

What are slime molds and how were they reclassified?

Two main types: plasmodial and cellular; formerly classified as fungi but now recognized as Amoebozoans.

18
New cards

What behavior are plasmodial slime molds famous for?

Collective behavior such as maze-solving and efficient nutrient pathfinding.

19
New cards

Describe plasmodial slime molds.

Large multinucleate masses (plasmodia) that move by streaming cytoplasm and feed on decaying matter.

20
New cards

Describe cellular slime mold life cycle when food is scarce.

Solitary amoebas aggregate into a multicellular-like fruiting body that produces spores.

21
New cards

What is Entamoeba histolytica and what disease does it cause?

A parasitic amoebozoan that causes amoebic dysentery.

22
New cards

What defines Opisthokonts in terms of flagella?

Animals, fungi, and related protists; typically have a single posterior flagellum in some cells.

23
New cards

Who are the closest protist relatives of animals?

Choanoflagellates.

Explore top flashcards

Homeostasis
Updated 282d ago
flashcards Flashcards (194)
French Health
Updated 974d ago
flashcards Flashcards (41)
PERDEV
Updated 1041d ago
flashcards Flashcards (92)
NSE Level 2 - World
Updated 982d ago
flashcards Flashcards (267)
Homeostasis
Updated 282d ago
flashcards Flashcards (194)
French Health
Updated 974d ago
flashcards Flashcards (41)
PERDEV
Updated 1041d ago
flashcards Flashcards (92)
NSE Level 2 - World
Updated 982d ago
flashcards Flashcards (267)