'J b s' presentation slideshows

The Origin and Chemistry of Life

The Origin and Chemistry of Life. Chapter 2. Water and Life. Water makes up a large portion of living organisms. It has several unusual properties that make it essential for life. Hydrogen bonds lie behind these important properties. Water and Life.

2.09k views • 68 slides

Natural Selection, Evolution & Implications for the Conservation of Wildlife

1.1k views • 67 slides

Natural Selection, Evolution & Implications for the Conservation of Wildlife

772 views • 67 slides

Arguing the scientific feasibility of defeating aging Aubrey D.N.J. de Grey Chairman and CSO, Methuselah Foundation Lort

Arguing the scientific feasibility of defeating aging Aubrey D.N.J. de Grey Chairman and CSO, Methuselah Foundation Lorton, VA, USA and Cambridge, UK Email: aubrey@sens.org MF site: http://www.methuselahfoundation.org/ Science site: http://www.sens.org/

595 views • 48 slides

Evolutionary Theory

Evolutionary Theory. Ideas on the Origin of Life. Pasteur showed that life was not spontaneously created from non living material, so how do scientists account for organisms emerging from nonliving material? Chemical evolution : the gradual formation of life from nonliving chemicals.

657 views • 44 slides

715 views • 39 slides

Today is Friday (!), September 27 th , 2013

484 views • 35 slides

420 views • 26 slides

The Major Transitions in Evolution

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The Major Transitions in Evolution

422 views • 24 slides

Bacteria use a compass to navigate

Bacteria use a compass to navigate . Presented by: Marwa Mahmoud. W hat does Christopher Columbus have in common with tiny microorganisms?. Scientists have known for a long time that bacteria can orient themselves using:. Light Temperature Food

351 views • 16 slides