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Ontogeny

Ontogeny

The total of the stages of an organisms life history. (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; he proposed an indicator of osseous development in children. Referring to the life cycle of an organism.


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Re: Evidence Of Evolution

Caution re. embryology. They might be trying to catch you up on the old ontogeny-recapitulates-phylogeny concept.

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by JorgeLobo
Mon May 14, 2012 7:17 pm
 
Forum: Evolution
Topic: Evidence Of Evolution
Replies: 11
Views: 6474

Re: The Most Primitive Respiratory System

... evolved from a distant common ancestor. Embroyology shows that all have gill slits and tails in their embroyos like those of a fish." The ontogeny recapitulates phylogeny concept was rejected by science a long tme ago. Conceptually one could assume grasshopper is the most "primitive" ...

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by JorgeLobo
Fri Apr 27, 2012 1:39 am
 
Forum: Evolution
Topic: The Most Primitive Respiratory System
Replies: 11
Views: 6258

Increasing Specialization Of Structure And Function Among An

... organism to suit the changed environment. Phylogeny is a method by which we can compare two organisms for their similarity and trace the origin. Ontogeny is a study of development of organ structure in embryo, individual or even in community in special cases.

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by sachin
Mon Jan 30, 2012 5:37 pm
 
Forum: Ecology
Topic: Increasing Specialization Of Structure And Function Among An
Replies: 4
Views: 3371

Increasing Specialization Of Structure And Function Among An

... of the same class or order for survival in a new and different environment is called A. adaptive radiation B. phylogeny C. homology D. analogy E. ontogeny. The A-E options are confusing. If anyone has an idea concerning the question, please let him bring it in, let's discuss it and see if we can ...

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by chikis
Fri Jan 27, 2012 11:58 am
 
Forum: Ecology
Topic: Increasing Specialization Of Structure And Function Among An
Replies: 4
Views: 3371

Method preventing illnesses in the progeny

... of species, i.e. qualitative selection of the most viable organisms according to the high metabolism level. In a similar way takes place realize ontogeny and phylogeny, where spatial or intrauterine level of fetus provides the temporal, that is, level of a metabolism of an adult organism, after ...

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by valentindolzhenko
Sun Jan 08, 2012 4:26 pm
 
Forum: Physiology
Topic: Method preventing illnesses in the progeny
Replies: 3
Views: 8750
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