Sentences with phrase «multicellular life deep»

Not exact matches

Last April Italian and Danish deep - sea researchers described multicellular animals that conduct their entire lives without respiring oxygen.

There was an era called white earth which starts about 700 million years ago with alternating periods of deep ice sheets and then hotter warmer stages which led to formation of various kinds of crystals, and last and luckily we live in the period known as green earth, which started about 400 million years ago when multicellular life arose and wholly changed to biochemical breakdown the makeup of the minerals on the planet again.

«This finding makes a deep connection between the physics of inert granular matter such as sand and the geometry of multicellular living systems,» said lead author Lior Atia, a postdoctoral fellow in the laboratory of Jeffrey Fredberg, professor of bioengineering and physiology at Harvard Chan School.

Mild oxygen levels in shallow seas but oxygen - poor deep oceans lasted for some 1.3 billion years during a time that has been dubbed the «Boring Billion» but eventually led to the development of mitochondria that now power multicellular planet and animal life (Nick Lane, New Scientist, February 10, 2010; Rachel Ehrenberg, Science News, September 29, 2009; Johnston et al, 2009; and H.D. Holland, 2006).