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Fishes

Fish

a physical mappingapproach that uses fluorescent tags to detect hybridisation of probes with metaphasechromosomes and with the less-condensed somatic interphase chromatin.


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Locomotory Evolution

... is the main cause to cephalisation) over multi-directional movement (a much higher form) which already existed in the radially symmetrical jelly-fishes even before the bilaterians appeared ?

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by Tista
Tue Dec 30, 2014 7:30 am
 
Forum: Evolution
Topic: Locomotory Evolution
Replies: 1
Views: 1559

New theory of evolution

... include above 150 thousands specieses, angiosperms above 250 t. specieses, fungi 1,5 mln, insects about 1 mln, primitive animals tens thousands, fishes 24,5 t., reptiles 13 t., birds 9350, mammals 4630. Moreover the same conception describes evolution on higher levels, Mega (whole biological ...

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by SystemRGB
Fri Nov 14, 2014 11:45 pm
 
Forum: Evolution
Topic: New theory of evolution
Replies: 0
Views: 871

Chicken or egg formed first

... follow egg-chicken story in chronological order (follow the phylogeny), egg-chicken-egg-chicken-egg- …………..-reptiles-egg…………-amphibians- egg…………..-fishes-egg…………..-invertebrate- egg …..…protozoa-protozoa-protozoa…… So very distant ancestors of chicken had no egg laying capability.

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by josem
Fri Oct 10, 2014 4:37 pm
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 6
Views: 3274

Re: Chicken or egg formed first

... (a bird) for some hundred million years, which is evolved from reptiles, digging the phylogeny from reptiles shows following order amphibians, fishes, invertebrates finally prokaryotes. Up to invertebrate has egg laying capability.

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by devil20
Sat Sep 13, 2014 9:41 am
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 6
Views: 3274

Chicken or egg formed first

... follow egg-chicken story in chronological order (follow the phylogeny), egg-chicken-egg-chicken-egg-…………..-reptiles-egg…………-amphibians-egg…………..-fishes-egg…………..-invertebrate- egg …………prokaryotes-prokaryote-prokaryote…… So very distant ancestors of chicken had no egg laying capability.

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by josem
Sun Aug 17, 2014 8:24 pm
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 6
Views: 3274
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