A ________ Species May Exist When an Organism's Range Loops

question 29

Short Answer

A ________ species may exist when an organism's range loops around a geographic barrier.Neighboring populations in the range mate,but populations on opposite sides of the barrier cannot mate.

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Definitions:

Siltstone

A sedimentary rock composed of consolidated silt-sized particles, generally mostly quartz.

Shale

A fine-grained sedimentary rock formed from clay and silt particles that tend to split along bedding planes.

Siltstone

A sedimentary rock composed mainly of silt-sized particles, formed by compaction and cementation of silt.

Shale

A fine-grained sedimentary rock formed from clay-sized particles that are compacted and often used as source rock for oil and gas.