KOMPAS.com Biology consists of various branches of science, two of which are phylogeny and ontogeni. What is the relationship between ontogeny and filoeni? And what difference between phylogeny and ontogeny? To find out the answer, see the explanation below!
Understanding phylogeny and ontogeny
phylogeny is the study of history evolution living things. Phylogeny studies how living things develop and evolve resulting in a variety of species.
Meanwhile, ontogeny is the study of how an organism develops from a simple form to a more complex level.
Reported from Encyclopedia Britannicaontogeny starts from the change in the egg cell at fertilization, its development until birth or hatching, and the growth of its shape, as well as the development of its sexual characteristics.
Also read: Phylogeny: Definition and Basis of Determination
The relationship of phylogeny and ontogeny
Phylogeny describes the development of living things in evolution. Meanwhile, ontogeny describes the development of living things from a zygote to maturity.
Thus, ontogeny is a recapitulation of phylogeny.
Reported from The Embryo Project at Arizona State Universityontogeny is expressed as a recapitulation of phylogeny because the embryonic stages of animals during development are chronological-level reviews of the species’ past form.
For example, when ontogony studies about chicken (poultry) embryos. Reported from Understanding EvolutionIn chicken embryos there are dots that resemble reptile and fish embryos in their development.
However, chickens do not imitate the shape of their adult ancestors like reptiles and fish. Rather it develops into a new group of organisms in the tetrapod phylogeny.
Also read: Phylogeny Tree: Definition, Structure, and Groups of Organisms
Objects examined
Phylogeny and ontogeny have different objects under study. Basically, both sciences both study living things, but there is a big difference between the two.
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