- paedomorphosis, and
could reproduce without p****ing
through a
sessile phase. The
gastraea hypothesis was
proposed by
Ernst Haeckel in 1874,
shortly after his work...
-
Masterman in 1899.
Variations of the
Archicoelomata hypothesis are the
Gastraea by
Ernst Haeckel in 1872 or Adam Sedgwick, and more
recently the Bilaterogastrea...
- a
gradual evolution of cell differentiation, as
affirmed in Haeckel's
gastraea theory.
About 800
million years ago, a
minor genetic change in a single...
- specifically, the
biogenic theory (German:
biogenetisches Grundgesetz) and the "
gastraea theory" of Haeckel.
Within 10 years, the two
brothers moved apart to the...
-
Haeckel was a
German evolutionist and
zoologist known for
proposing the
gastraea hypothesis. In 1866,
August Leskien, a
pioneer of
research into
sound laws...
-
cycle evolution: was the
eumetazoan ancestor a holopelagic,
planktotrophic gastraea?". BMC
Evolutionary Biology. 13 (1): 171. Bibcode:2013BMCEE..13..171N....
- Benjamin; Lukas, Paul; Olsson,
Lennart (2022). "The
biogenetic law and the
Gastraea theory: From
Ernst Haeckel's
discoveries to
contemporary views". Journal...
- e. the
biogenic theory (German =
biogenetisches Grundgesetz), and the "
gastraea theory".
Within 10 years, the two
brothers moved apart to the
north and...