Lamarckism
E7124
Lamarckism is an early evolutionary theory proposing that organisms can pass on traits acquired during their lifetime to their offspring, emphasizing use and disuse of organs as drivers of change.
Observed surface forms (3)
| Surface form | Occurrences |
|---|---|
| Pangenesis hypothesis | 1 |
| law of inheritance of acquired characteristics | 1 |
| law of use and disuse | 1 |
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
biological theory
ⓘ
evolutionary theory ⓘ |
| appliesTo | both plants and animals in Lamarck’s writings ⓘ |
| associatedWith | transformist views of species ⓘ |
| assumes |
continuous gradual transformation of species
ⓘ
direct environmental effects on heredity ⓘ goal-directed or progressive evolution ⓘ |
| contrastsWith |
Darwinism
ⓘ
surface form:
Darwinian natural selection
|
| coreConcept |
acquired modifications are heritable
ⓘ
disuse of an organ leads to its reduction or loss ⓘ use of an organ strengthens and develops it ⓘ |
| criticizedBy | modern evolutionary synthesis ⓘ |
| criticizedFor | lack of empirical support in Mendelian genetics ⓘ |
| denies | strict fixity of species ⓘ |
| differsFrom | natural selection by emphasizing directed change rather than selection among variants ⓘ |
| emphasizes |
adaptive changes driven by environmental influence
ⓘ
use and disuse of organs ⓘ |
| field |
evolutionary biology
ⓘ
history of science ⓘ |
| hasComponent |
Lamarckism
self-linksurface differs
ⓘ
surface form:
law of inheritance of acquired characteristics
Lamarckism self-linksurface differs ⓘ
surface form:
law of use and disuse
|
| hasKeyProponent | Jean-Baptiste Lamarck ⓘ |
| hasLegacy | as a classic example of a superseded scientific theory ⓘ |
| historicallyReevaluatedIn | context of epigenetics ⓘ |
| historicalPeriod | early 19th century ⓘ |
| influenced |
early evolutionary thought
ⓘ
pre-Darwinian theories of species change ⓘ some early social and cultural evolutionary theories ⓘ |
| inspiredDebateIn | 19th-century biology ⓘ |
| isConsidered |
a precursor to modern evolutionary theory
ⓘ
largely discredited in modern genetics ⓘ |
| misinterpretedAs | claiming that effort alone can change heredity ⓘ |
| namedAfter | Jean-Baptiste Lamarck ⓘ |
| oftenContrastedWith |
modern evolutionary synthesis
ⓘ
surface form:
Neo-Darwinism
|
| originatedIn | France ⓘ |
| precedes | Charles Darwin’s theory of evolution by natural selection ⓘ |
| proposes |
inheritance of acquired characteristics
ⓘ
that traits acquired during an organism’s lifetime can be transmitted to offspring ⓘ |
| relatedConcept |
inheritance of acquired characters
ⓘ
soft inheritance ⓘ |
| statusInModernBiology | of mainly historical interest ⓘ |
| teaches | that organismal needs drive evolutionary change ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pangenesis hypothesis
this entity surface form:
law of use and disuse
this entity surface form:
law of inheritance of acquired characteristics