TigerHead

TigerHead

Posted on 04/22/2011


Photo taken on April 22, 2011


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The Adaptation of Species

The Adaptation of Species
In 1859 the English naturalist Charles Darwin published The Origin of Species. The book contained two major arguments:

First, Darwin presented a wealth of evidence of evolution. He said that all living things on earth today are the descendants — with modifications — of earlier species.

Second, he proposed a mechanism — natural selection — to explain how evolution takes place.

Evolution involves two interrelated phenomena: with 1) adaptation, over the course of time, species modify their phenotypes in ways that permit them to succeed in their environment.

With 2) speciation, over the course of time, the number of species multiplies; that is, a single species can give rise to two or more descendant species. In fact, Darwin maintained that all species are related; that is, any two species on earth today have shared a common ancestor at some point in their history.

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Liberto Atlas, Duolith, Evangrek63, Maria Zarębska and 4 other people have particularly liked this photo


12 comments - The latest ones
.t.a.o.n.
.t.a.o.n.
stunning + outstanding !
6 years ago.
TigerHead has replied to .t.a.o.n.
Thank again, Robert! This was from the heart!
6 years ago.
Khalil
Khalil
Une poésie de couleurs!
6 years ago.
TigerHead has replied to Khalil
Thank you, Khalil! What a thoughtful thing to say!
6 years ago.
ManueL.
ManueL.
Awesome !
6 years ago.
TigerHead has replied to ManueL.
:)) I'm pleased you like it, Manuel!
6 years ago.
Scumbeast
Scumbeast
Very beautiful image and wonderful title.
6 years ago.
TigerHead has replied to Scumbeast
Thanks very much, Mr. Scumbeast!
6 years ago.
dentelle
dentelle
Darwin has given the first believable explanation to life !!!
6 years ago.
TigerHead has replied to dentelle
Yes. It pays to swim against the current, doesn't it?
6 years ago.
Duolith
Duolith
-I get fuzzy, whilest beholding
6 years ago.