Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Obelia

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…

Life cycle, Structure & Phylogeny

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Obelia. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Life cycle

Structure

Phylogeny

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Obelia

Nodes42
Edges41
Triples87
Avg. degree1.95
Density0.047619
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

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 Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

species life polyp medusa called structure geniculata genus new cycle longissima cnidaria later marine around bidentata feeding velum food north

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Obeliais agenus of hydrozoans0.90text
Obeliarelated to External linksHydroid0.60section
Obeliarelated to External linksObelia LongissimaThe Double Life0.60section
Obeliarelated to Life cycleThe0.60section
Obeliarelated to Life cycleDuring0.60section
Obeliarelated to Life cycleIn0.60section
Obeliarelated to Life cycleThese0.60section
Obeliarelated to Life cycleCampanulariidae0.60section
Obeliarelated to Life cycleEventually0.60section
Obeliarelated to Life cycleOther0.60section
Obeliarelated to PhylogenyEstimates0.60section
Obeliarelated to PhylogenyIceland0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.