Which of the following observations would provide the strongest evidence that two plants belong to different biological species?

A. There are variations in their RNA sequences.

B. The leaves and flowers show morphological differences.

C.They produce viable but sterile offspring.

D.They occupy unique habitats in an ecosystem. .

Even if organisms of different species combine their DNA to make offspring, the offspring will be sterile, unable to pass on their genes. Because of this restricted gene flow, each species evolves as a group distinct from other species.

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luisvaschetto luisvaschetto · Answer 2 · 2021-11-30T12:48:03+01:00

The observation of plants that produce viable but sterile offspring provides the strongest evidence that they belong to different biological species (Option C).

The biological concept of species was developed by Ernst Mayr, who also develop the idea that species are metapopulation lineages.

The biological concept of species states that mating between individuals of the same species produces viable offspring.

The biological concept of species can be used to provide independent evidence for the presence of morphological and biological species.

In conclusion, the observation of plants that produce viable but sterile offspring provides the strongest evidence that they belong to different biological species (Option C).

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