Carnivores , secondary consumers , heterotroph
Option A and D are cell organelles. Option C is a haploid cell, while option B (bacterium) is a living organism.
Answer:
The study island answer is "Remediating the mines keeps the contaminants from entering a watershed."
Explanation:
Many contaminants, particularly heavy metals, pollute the area around abandoned mines. If these contaminants enter the watershed, they can kill many organisms that live in that environment.
