Protists (18)

Question 1

Phylogenetics

Answer 1

The study of the evolutionary history of organisms and their ancestors

Question 2

Monophyletic

Answer 2

A group of organisms all descending from a common ancestor (clade)

Question 3

Polyphyletic

Answer 3

A group of organisms that don’t have a recent common ancestor

Question 4

Paraphyletic

Answer 4

A group of organisms descended from a common ancestor but doesn’t include all common descendants

Question 5

Protists

Answer 5

The most diverse group of eukaryotes
- Classified by supergroups and clades

Question 6

Protist Taxonomy: supergroups and clades

Answer 6

Currently four main supergroups that house all 7 main clades including:
1. Excavata
2. SAR
3. Unikonta
4. Archaeplastida

Question 7

Autotroph

Answer 7

Protist Diversity
- contain chloroplasts and can synthesize their own food through photosynthesis (example: algae)

Question 8

Heterotroph

Answer 8

Protist Diversity
Consume other organisms
- Protozoans: get their food through phagocytosis
- Slime molds: get their food through absorption

Question 9

Mixotrophs

Answer 9

Protist Diversity
Obtain nutrition through both photosynthesis and through consumption of other organisms

Question 10

Environments inhabited by protists

Answer 10

Freshwater
Saltwater
Parasitic species

Question 11

Reproductive strategies of protists

Answer 11

Sexual and asexual