Describe How Fossils of Tiktaalik Roseae Discovered by Ted Daeschler

question 45

Essay

Describe how fossils of Tiktaalik roseae discovered by Ted Daeschler and his colleagues in 2005 help biologists "fill the phylogenetic gap" between fish and tetrapods.

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Definitions:

Anticline

A type of geological fold characterized by an arch-like shape where the oldest rocks are at the core.

Fault Trap

A geological structure where displaced strata create a trap that can contain fluids such as oil or gas.

Natural Gas

A fossil fuel consisting primarily of methane and other hydrocarbons, used as an energy source and feedstock in chemical manufacturing.

Iron Ore

Naturally occurring rocks from which iron (Fe) can be economically extracted, constituting a key raw material for steel production.