Test: High School Biology

A certain type of flower used to grow on both sides of the Amazon River. However, over time, the salinity of the soil on the north side grew significantly, while the salinity on the south side stayed the same. Over time, the flowers on one side became unable to reproduce with the flowers growing along the opposite bank because their offspring could not survive in the saline conditions; however, these plants were formerly of the same species. 

1.

What type of speciation is described?

Allopatric speciation

Peripatric speciation

Sympatric speciation

Parapatric speciation

Artificial speciation

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