The answer is going to be D.
I do belive hope this helps
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Carbon<span> is exchanged, or "cycled" among Earth's oceans, atmosphere, ecosystem, and geosphere. All living organisms are built of </span>carbon<span> compounds. It is the fundamental building block of life and an</span>important<span> component of many chemical processes.</span>
It is option D. Please mark as brainliest
The new species come from old ancestors of the animals that were there, over time they slowly evolved, and they adapted to that new environment.
