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WonderDeep time fact1,716 of 1,961

Ediacaran fossils preserve strange soft-bodied organisms from before the Cambrian, including forms unlike almost anything alive today.

Soft-bodied life before the Cambrian

EvolutionBiologyScienceArchaeology

Why it matters

The idea in context

The Ediacaran world asks us to be humble with categories. Many of its organisms were quilted, frond-like or disc-shaped, preserved as impressions where soft bodies met microbial seafloors. Some may be early animals; others sit near the edge of our classifications. That uncertainty is the beauty: evolution did not begin with familiar shapes, it experimented first in a language we are still learning to read.

Türkçe

Aynı kart, başka bir dilde.

Ediacara fosilleri, Kambriyen'den önce yaşamış tuhaf yumuşak bedenli organizmaları korur; bunların bazıları bugün yaşayan neredeyse hiçbir şeye benzemez.
Kambriyen'den önce yumuşak bedenli yaşam

Ediacara dünyası, kategoriler konusunda mütevazı olmamızı ister. Organizmalarının çoğu yorgan desenli, yaprak benzeri ya da disk biçimindeydi; yumuşak bedenlerin mikrobiyal deniz tabanına değdiği yerde iz olarak korundular. Bazıları erken hayvanlar olabilir; bazıları ise sınıflandırmalarımızın sınırında durur. Güzellik de bu belirsizliktedir: evrim tanıdık şekillerle başlamadı, önce hâlâ okumayı öğrendiğimiz bir dilde denemeler yaptı.

Source trail

Read beyond the card.

Background reading: Ediacaran biotaAttribution and context are revised when stronger evidence appears. Corrections are welcome through the editorial page.
Open in the iPhone appEditorial method

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