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Dictionary » L » Larva

Larva

Larva

Origin: L. Larva ghost, specter, mask.

1. (Science: zoology) Any young insect from the time that it hatches from the egg until it becomes a pupa, or chrysalis. During this time it usually molts several times, and may change its form or colour each time. The larvae of many insects are much like the adults in form and habits, but have no trace of wings, the rudimentary wings appearing only in the pupa stage. In other groups of insects the larvae are totally unlike the parents in structure and habits, and are called caterpillars, grubs, maggots, etc.

2. (Science: zoology) The early, immature form of any animal when more or less of a metamorphosis takes place, before the assumption of the mature shape.


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Molecular gene (genome) concept scientifically untenable

... change of information content of the genome (originally carried in the zygote) with time. A genome can even create two different biosystems (e.g., larva and butterfly)! How can a molecule (i.e., genome in the zygote) encode information that changes with time? If biological information can be encoded ...

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by PAWahid
Wed May 02, 2012 4:54 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 11392

what is the difference between neoteny and post development

what is the difference between neoteny and post development according to my lecture neoteny = early maturation of gonads in larva that then stops growing and never becomes an adult post development = onset of a developmental process is delayed relative to reproductive maturation ...they ...

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by Fa23
Thu Dec 08, 2011 8:49 am
 
Forum: Evolution
Topic: what is the difference between neoteny and post development
Replies: 1
Views: 831

LeoPol

... Human embryo at an early stage has gills, caudal fin ... But he can not use them. This is because genetic technology support was lost when the larva was in the placenta. Or in the egg. Macro-devolution is irreversible! But now, the frogs have a larva with gills and tail fin! They are versatile ...

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by LeoPol
Mon Sep 26, 2011 9:40 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 534355

Theories - Origin of Life

... repeats metamorphosis of primary universal amphibians". From the standpoint of those of amphibians, our "embryo" - it's unfortunate larva, devoid of happiness independent existence during the most exciting stages of childhood - from the stage myuller-larve! :D

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by LeoPol
Fri Jul 15, 2011 10:10 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 534355

Re: Have you seen Arachnida with 6 legs?

Arachnids belonging to the orders Acari and Ricinulei do go through a hexapodal larval stage. However, all healthy non-mutant adult arachnids have 8 legs. http://a4.sphotos.ak.fbcdn.net/hphotos-ak-ash2/38737_450826890189_755040189_6521060_4006092_n.jpg ...

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by Maxorz
Sat May 07, 2011 9:27 pm
 
Forum: Zoology Discussion
Topic: Have you seen Arachnida with 6 legs?
Replies: 7
Views: 3134
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