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Evolutionary tree


The evolutionary tree of living things is currently supposed to run something along the lines of that listed below. Most of the tree was based on ideas from cladistics; where more than two groups are shown in a single branch, there is disagreement about how they diverged. Hypothetically taxonomy would follow the tree whenever possible, but in many places it does not at present.

The description as a "tree" results from earlier ideas of life as a progression from lower to higher forms. Although such views are discredited now, the imagery is too well established to be readily lost.

The terminology originates with Linnaean taxonomy: living things are classified as belonging to domain, kingdom, phylum, class, order, family, genus and species.

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(Date:9/29/2014)... Mountain pine beetles get a bad rap, and ... pine trees over tens of millions of acres in ... , But contrary to popular belief, these pests ... like those that have recently swept through the region. ... the ecological severity of fires than these bark-boring beetles. ...
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... count, and that certainly holds true for the channels ... or molecules of a certain size to pass through, while ... capabilities of transmembrane proteins are highly prized for a number ... individual artificial channels of this size until now. ...
... Australia,s swamp bottlebrush, flowering plants are everywhere. Also ... land-based, plant life. New research published this week ... Sciences provides new insights into their genetic origin, ... diverse flowering plants more than 130 million years ago. ...
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