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Amphibians

Amphibian

(Science: zoology) Of or pertaining to the Amphibia; as, amphibian reptiles.

(Science: zoology) One of the amphibia.


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Chicken or egg formed first

... formed from egg. If we 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 ...

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by josem
Sun Aug 17, 2014 8:24 pm
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 3
Views: 462

Chicken or egg formed first

... of chicken (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. If we considering the question egg or chicken formed ...

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by josem
Thu Jul 17, 2014 7:14 pm
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 3
Views: 462

Re: Population ecology

If there are barriers the three populations could speciate, but, especially with reptiles and amphibians size is mostly dependent on availability of food. Where food is plentiful and good, size reaches an optimum. Other factors are temperature humidity, and possibly the ...

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by animartco
Sun May 18, 2014 1:13 pm
 
Forum: Ecology
Topic: Population ecology
Replies: 2
Views: 668

Springhill Group - Asian frogs becoming extinct, biologists

Frogs and other amphibians are being wiped out at such a rapid rate across Asia that many are going extinct before scientists even have a chance to identify them as new species, biologists warned at an international conservation meeting ...

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by justinbibe88
Wed Dec 12, 2012 8:47 am
 
Forum: Ecology
Topic: Springhill Group - Asian frogs becoming extinct, biologists
Replies: 0
Views: 2294

Re: Green mammals

... mammals may have lost their ability to create green pigmentations as a result of it not being an advantegeous trait for them. Reptiles and amphibians don't have green pigmentation either. All mammals, birds, reptiles, and amphibians produce the same two types of pigmentation, melanin amd ...

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by biotag
Sat Sep 15, 2012 6:45 pm
 
Forum: Zoology Discussion
Topic: Green mammals
Replies: 11
Views: 14764
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