biological life cycle
Let an agent explain biological life cycles, relay types, ploidy phases and examples from biology sources, describe the named cycle types, and distinguish life cycles from life history strategies, lifespans, developmental stages alone and product life cycles.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent explain biological life cycles, relay types, ploidy phases and examples from biology sources, describe the named cycle types, and distinguish life cycles from life history strategies, lifespans, developmental stages alone and product life cycles.
The series of stages an organism passes through from one generation to the next, from zygote or spore to reproductive adult, varying by the alternation of ploidy phases, a nuclear phase change between haploid and diploid, in haplontic life cycles where the multicellular stage is haploid, diplontic life cycles where it is diploid, as in animals, and haplodiplontic life cycles with alternation of generations, as in plants; heterogony alternates sexual and parthenogenetic generations, as in aphids, and a viral life cycle describes replication within host cells.
What it is for: Not applicable; a biological concept.
It can be explain types; relay ploidy and examples; describe named cycles; distinguish related concepts.
Distinguishing features
Generation to generation
Ploidy alternation
Varied patterns
Includes viruses by extension
What it looks like
Not a visible object; shown in diagrams of stages.
Physical character
meiosis: halves ploidy note
fertilisation: restores ploidy note
registry parent: course of life note
How it is recognised
Sequence of stages across generations
Viral life cycle, heterogony, haplodiplontic, diplontic and haplontic life cycles, nuclear phase change
Life history strategy concerns trade-offs; lifespan is duration; development is within one individual; product life cycles are economic
Related models
is a kind of - in registry terms
includes -
involves -
is contrasted with -
In practice
Families and kinds
haplontic cycles such as in many algae and fungi
diplontic cycles such as in animals
haplodiplontic cycles such as in plants
heterogony
complex parasite life cycles
viral replication cycles
Standards and regulation
No regulation
Failure modes and hazards
Treating viral cycles as organismal life cycles without noting difference
Confusing haplontic and diplontic
Confusing biological and product life cycles
Also called
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Understand What a biological life cycle is.
Science.
Definition
Definition.
Definition
Definition.
- What is a biological life cycle, and how does it differ from life history, lifespan, development and product life cycles? definition
- Is the question about plants, animals, fungi, parasites or viruses? boundary
Types
Named types.
Types
Types.
- What are haplontic, diplontic and haplodiplontic cycles, heterogony, nuclear phase change and viral life cycles? definition
- Which entry fits the specific type? action
Biology Mechanisms.
Science.
Ploidy
Ploidy changes.
Ploidy
Ploidy.
- How do meiosis and fertilisation alternate haploid and diploid phases? provenance
- Which references are standard? provenance
Plants
Alternation of generations.
Plants
Plants.
- How do gametophytes and sporophytes alternate in mosses, ferns and seed plants? provenance
- Which sources are cited? provenance
Examples Examples.
Application.
Parasites
Parasite cycles.
Parasites
Parasites.
- How do complex cycles such as the malaria parasite s involve several hosts? provenance
- Which entry fits Plasmodium life cycle? action
Aphids
Heterogony.
Aphids
Aphids.
- How do aphids alternate parthenogenetic and sexual generations? provenance
- Which entry fits cyclical parthenogenesis? action
Context Viruses and ecology.
Context.
Viruses
Viral cycles.
Viruses
Viruses.
- How do lytic and lysogenic viral cycles work? provenance
- Which entry fits lytic cycle? action
Ecology
Life history.
Ecology
Ecology.
- How do life cycles relate to life history strategies? provenance
- Which entry fits life history theory? action
What the second pass must settle
- Should each cycle type be a separate entry?
- How should biology textbooks be linked?
- Should the viral life cycle be moved to virology?