Answer ; A.) Aquatic Animals .
Answer:
Bacteria, but out of those three then it would be land, because animals (dinosaurs) Could not live without food (plants) and plants can't grow without land.
Explanation:
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I want to say individuals more so than entire populations. That being said it's because the entire populations of living things are able to evolve and move forward through slow evolution.
A chemical change happens to form a precipitate