Why have the tortoises evolved on the Galapagos Islands?

The splitting of context es and better envirnment for them more adaptfull  

Explanation:

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.