A phylogenetic approach was performed to infer whether variation in conspicuous colour-patterns of a poison frog (Dendrobatidae: Dendrobates tinctorius) has evolved neutrally or under selection. Colour and patt
The FrogThat Can Change Colour Birds live in trees. Squirrels live in trees. But do you know that some frogs live in trees, too?The tree frog is hard to find. This frog can change colour.On green leaves, it stays green. On a brown branch, it turns brown. Some tree frogs can ...
Chromatophores and adaptation to coloured backgrounds in two colour types of the edible frog, Rana esculenta. J. Zool. 189, 349-358.Nielsen, H. I. (1979): Chromatophores and adaptation to col- oured backgrounds in two colour types of the edible frog, Rana esculenta. - Journal of Zoology ...
(10分)The Frog that Changes Colour Birds live in trees. Squirrels (松鼠) live in trees. But do you know that some frogs live in trees, too? The tree frog is hard to find. This frog can change colour. On green leaves, it stays green. On a brown branch, it turns brown. Some ...
Data were assembled on the spectrophotometry, the structure and distribution of the chromatophores by means of light and electron microscopy, and the features of colour patterning. An attempt was made to regard colour patterns as the end result of a definable process of differentiation. A number ...
I am green,and green is my favourite colour. Being a frog is the best thing in the world." “我多么幸运啊!” 弗洛格欣赏着自己在水里的倒影, 说,“我漂亮,我会游泳,跳得也比别人好。 我是绿色的,而绿色又是我最喜欢的颜色。 世界上最...
That Frog Changes ColourBirds live in the trees.Squirrels live in the trees.But do you know that somefrogs live in the trees,too?The tree frog is hard to find.This frog can change colour.On green leaves,it stays green.On a branch,it turns brown.Some tree frogs can change fromgreen to...
In the water, they use their back legs to swimfast. Frogs sleep all winter. Some sleep in a pond or a lake. Others sleep in holes in the ground.When they wake up in spring, you may hear many different kinds of frogs' croaking(呱呱地叫).1. The frog isin colour and it haseyes.2...
(For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.) Table 1. Distribution and lineage diversity of alien marsh frogs (Pelophylax ridibundus) in Europe. CountryN1N2MainlandIslandReportRangeLineages Austria 2 2 * *a ...
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