News tagged with multicellular life

550 million years ago rise in oxygen drove evolution of animal life

Researchers at the University of Oxford have uncovered a clue that may help to explain why the earliest evidence of complex multicellular animal life appears around 550 million years ago, when atmospheric ...

Biology / Cell & Microbiology

created Dec 17, 2010 | popularity 4.7 / 5 (10) | comments 0 | with audio podcast

The fuel of evolution: A new hypothesis about how complex life emerged on Earth

When life on Earth first emerged about 4 billion years ago, it was simple by today's standards.

Chemistry / Biochemistry

created Oct 22, 2010 | popularity 4.8 / 5 (47) | comments 82 | with audio podcast

Oxygen fuels the fires of time

Variations in the Earth's atmospheric oxygen levels are thought to be closely linked to the evolution of life, with strong feedbacks between uni- and multicellular life and oxygen. Over the past 400 million years the level ...

Space & Earth / Earth Sciences

created Aug 02, 2010 | popularity 4.8 / 5 (14) | comments 29 | with audio podcast

How did higher life evolve? Scientists determine the complete genome sequence of brown alga

With the world's first complete sequencing of a brown algal genome, an international research team has made a big leap towards understanding the evolution of two key prerequisites for higher life on Earth ...

Biology / Biotechnology

created Jun 03, 2010 | popularity 4.5 / 5 (2) | comments 0

Analysis knocks down theory on origin of cell structure

(PhysOrg.com) -- Understanding how living cells originated and evolved into their present forms remains a fundamental research area in biology, one boosted in recent years by the introduction of new tools ...

Biology / Cell & Microbiology

created Apr 22, 2009 | popularity 5 / 5 (7) | comments 0