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Obelia: Life cycle, Structure & Phylogeny
Obelia is a genus of hydrozoans, a class of mainly marine and some freshwater animal species that have both polyp and medusa stages in their life cycle. Hydrozoa belongs to the phylum Cnidaria, which are aquatic (mainly marine) organisms that are relatively simple in structure with a diameter around 1 mm. There are currently 120 known species, with more…
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Obelia topic overview
The analysis highlights Life cycle, Structure and Phylogeny as prominent areas in the source structure around Obelia.
Related topics
37
Source areas
4
Connected nodes
41
Extracted relationships
87
Concept neighborhoods
13
Bridge connections
41
What this topic covers Research coverage
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Life cycle · 15 topics
Structure · 12 topics
Overview · 7 topics
Phylogeny · 3 topics
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How Obelia connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around Obelia shows recurring relationship patterns in the source. For example, Obelia → AF, An Illustrated Encyclopedia, An Introduction, Association, Berg, Biology, Biotechnology Information, Boero, Bucci, Cambridge University PressL, Campanulariidae, Cnidaria, Collins, Colucci, Cunha, CW Cunningham, George, Gilbertson, Govindarajan, Gravili Another extracted example is Obelia → Canada, Estimates, Iceland, In, Including, Japan, MA, Massachusetts, New Brunswick, New Zealand, North Atlantic, Pacific, The, The North Atlantic, There, Woods Hole. Use these groups to spot repeated connection types before inspecting the individual relationships.
Obelia
Top relations
related to References· 55
Obelia → AF, An Illustrated Encyclopedia, An Introduction, Association, Berg, Biology, Biotechnology Information, Boero, Bucci, Cambridge University PressL, Campanulariidae, Cnidaria, Collins, Colucci, Cunha, CW Cunningham, George, Gilbertson, Govindarajan, Gravili
related to Phylogeny· 16
Obelia → Canada, Estimates, Iceland, In, Including, Japan, MA, Massachusetts, New Brunswick, New Zealand, North Atlantic, Pacific, The, The North Atlantic, There, Woods Hole
related to Life cycle· 7
Obelia → Campanulariidae, During, Eventually, In, Other, The, These
related to Structure· 6
Obelia → During, Four, Scientists, Some, They, Through
related to External links· 2
Obelia → Hydroid, Obelia LongissimaThe Double Life
is a· 1
Obelia → genus of hydrozoans
Important terminology
Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 87 structured relationships around Obelia. Examples in this analysis include Obelia → is a → genus of hydrozoans and Obelia → related to External links → Hydroid. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
Obelia
is a
genus of hydrozoans
0.90
text
Obelia
related to External links
Hydroid
0.60
section
Obelia
related to External links
Obelia LongissimaThe Double Life
0.60
section
Obelia
related to Life cycle
The
0.60
section
Obelia
related to Life cycle
During
0.60
section
Obelia
related to Life cycle
In
0.60
section
Obelia
related to Life cycle
These
0.60
section
Obelia
related to Life cycle
Campanulariidae
0.60
section
Obelia
related to Life cycle
Eventually
0.60
section
Obelia
related to Life cycle
Other
0.60
section
Obelia
related to Phylogeny
Estimates
0.60
section
Obelia
related to Phylogeny
Iceland
0.60
section
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around Obelia bring nearby vocabulary together. In this analysis, examples include Life, Species and Medusa. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
Obelia
Life
Species
Medusa
Campanulariidae
Cnidaria
Cycle
Geniculata
Polyp
Hydrozoa
Others
Stage
Longissima
obelia
Life
Species
Medusa
Campanulariidae
Cnidaria
Cycle
Geniculata
Polyp
Hydrozoa
Others
Stage
Longissima
life cycle
Cycle
Life
Polyp
Genus
Obelia
Medusa
Dichotoma
Mainly
Marine
Phylum
Longissima
Begins
medusa
Polyp
Buds
Campanulariidae
Cycle
Obelia
Life
Begins
Body
Hydrozoa
Main
Others
Stage
class
Cycle
Genus
Dichotoma
Mainly
Phylum
Polyp
Bidentata
Marine
Life
Longissima
Geniculata
Structure
polyp
Feeding
Structure
Dichotoma
Phylum
Begins
Bidentata
Body
Buds
Main
Stage
Tentacles
Longissima
cnidaria
Hydrozoa
Mainly
Phylum
Around
Campanulariidae
Marine
Obelia
Longissima
Geniculata
Structure
Medusa
Life
phylum
Structure
Dichotoma
Bidentata
Longissima
Geniculata
Polyp
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For Obelia, one of the stronger structural bridges in this analysis connects Obelia with Life cycle. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
Obelia
Nodes42
Edges41
Triples87
Avg. degree1.95
Density0.047619
Components1
Source & methodology
TTTA analyzes the structure around Obelia to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Life cycle, Structure & Phylogeny, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
