Eukaryota
In brief
Eukaryotic cells characteristically have an enclosed nucleus and internal membrane compartments with different functions. This organization lets us study a cell as interacting parts. The parts present depend on the cell type: a diagram containing a chloroplast does not describe every eukaryotic cell. [3]
Evidence for this statement
EcoGenesis
Where to check this statement
- biology55-S04
- Introduction: nucleus and membrane compartments; not a universal organelle inventory for every cell.
Photographs and illustrations
Save, investigate and check this version
Editorial draft · human review pending
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Eukaryotes: diverse organisms, a shared cellular organization
Plants, animals and fungi are eukaryotes. Organism size and multicellularity do not define the group: yeasts provide an example of single-celled eukaryotes.
[2] [4]Evidence for this statement
EcoGenesis
Where to check this statement
- biology55-S01
- Prokaryotic cell components: nucleoid, ribosomes, membrane and peptidoglycan in most bacteria; not an absolute wall claim.
- biology55-S05
- Nutrition, wall, yeast, hyphae and mycelium; medical advice excluded.
Reading this page
This broad classification level contains very different organisms. A shared branch does not imply identical anatomy, life cycles or molecular coverage. A teaching diagram and a micrograph of a particular sample serve different purposes.
Evidence for this statement
EcoGenesis
Try it
Compare a yeast page with an Arabidopsis leaf cell. Separate the shared cellular organization from structures shown only in a particular example.
Evidence for this statement
EcoGenesis
This group in the catalogue
The installed Catalogue of Life places Eukaryota at the rank of domain. Accepted record col:CS5HF belongs to COL26.7 Base, 2026-07-14. The authored scientific name is retained alongside the shorter name; navigation uses the record identifier.
[1]Evidence for this statement
EcoGenesis
Where to check this statement
- classification55-CS5HF
- Installed classification: exact record, ancestor path and direct-child count. This is not a new phylogeny or a biological review.
This record has no parent row in the installed index. That is a boundary of this classification representation, not a conclusion that deeper evolutionary relationships are absent.
[1]Evidence for this statement
EcoGenesis
Where to check this statement
- classification55-CS5HF
- Installed classification: exact record, ancestor path and direct-child count. This is not a new phylogeny or a biological review.
This index version contains 5 direct child records. This counts the next level of the tree, not all species, organisms, observations or studied genomes in the group.
[1]Evidence for this statement
EcoGenesis
Where to check this statement
- classification55-CS5HF
- Installed classification: exact record, ancestor path and direct-child count. This is not a new phylogeny or a biological review.
From group to species
Prepared examples in this branch are Arabidopsis thaliana, Homo sapiens, Saccharomyces cerevisiae. Membership was checked in the same CoL release. Opening an example leads to its separate species record. Its geography, traits and sequences do not become properties of every member of the group.
[1]Evidence for this statement
EcoGenesis
Where to check this statement
- classification55-CS5HF
- Installed classification: exact record, ancestor path and direct-child count. This is not a new phylogeny or a biological review.
Next question
Choose an example and frame a question at species or specimen level. On the map, preserve the exact filter and observation source; in molecular searches, preserve assembly, gene and sequence version. If a dataset is unavailable, leave the question open. A missing service response does not establish biological absence.
Evidence for this statement
EcoGenesis
Continue exploring
Classification record and its scope
Inspect structured data
- col id
- CS5HF
- scientific name
- Eukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- rank
- domain
- parent id
- —
- child count
- 5
- source release
- COL26.7 Base, 2026-07-14
- source sha256
- 891457d62af389842924ef1de8bd6fbbdf9f6b03428ef5dd487bed4d04c0ace0
- classification semantics
- provider_source_classification_only
- phylogeny
- False
- lineage
- col id
- CS5HF
- scientific name
- Eukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- rank
- domain
- status
- accepted
Evidence for this statement
Source annotation
Where to check this statement
- classification55-CS5HF
- Installed classification: exact record, ancestor path and direct-child count. This is not a new phylogeny or a biological review.
Continue exploring
Sources and versions
Editorial draft · human review pending
- Eukaryota · Catalogue of Life
2026-09-19T12:02:54.209836+00:00 · Terms of use on source site
Provenance and original
- Source version
- COL26.7 Base, 2026-07-14
- Original SHA-256
- 891457d62af389842924ef1de8bd6fbbdf9f6b03428ef5dd487bed4d04c0ace0
- Source reading scope
- Installed classification: exact record, ancestor path and direct-child count. This is not a new phylogeny or a biological review.
- Location in the original source
- Installed classification: exact record, ancestor path and direct-child count. This is not a new phylogeny or a biological review.
- OpenStax 4.2 — Prokaryotic Cells
2026-09-19 · CC-BY-NC-SA-4.0
Provenance and original
- Source version
- Biology 2e (2018); page inspected 2026-09-19
- Source reading scope
- Prokaryotic cell components: nucleoid, ribosomes, membrane and peptidoglycan in most bacteria; not an absolute wall claim.
- Location in the original source
- Prokaryotic cell components: nucleoid, ribosomes, membrane and peptidoglycan in most bacteria; not an absolute wall claim.
- OpenStax 4.3 — Eukaryotic Cells
2026-09-19 · CC-BY-NC-SA-4.0
Provenance and original
- Source version
- Biology 2e (2018); page inspected 2026-09-19
- Source reading scope
- Introduction: nucleus and membrane compartments; not a universal organelle inventory for every cell.
- Location in the original source
- Introduction: nucleus and membrane compartments; not a universal organelle inventory for every cell.
- OpenStax 24.1 — Characteristics of Fungi
2026-09-19 · CC-BY-NC-SA-4.0
Provenance and original
- Source version
- Biology 2e (2018); page inspected 2026-09-19
- Source reading scope
- Nutrition, wall, yeast, hyphae and mycelium; medical advice excluded.
- Location in the original source
- Nutrition, wall, yeast, hyphae and mycelium; medical advice excluded.
Inspect structured data
- Content version
- 797aff6707c1aaec474f1e872da7b84a6658badafb3999d9fa796429213ea127
- Source version
- COL26.7@891457d62af389842924ef1de8bd6fbbdf9f6b03428ef5dd487bed4d04c0ace0
- Updated
- 2026-10-01