WASHINGTON, Aug 1 (Reuters) - Earth's roughly 76,000 species of mollusks come in an impressive variety of forms including clams, oysters, scallops, mussels, snails, slugs and even some possessing ...
Healthy corals are colorful and full of life. And under normal conditions, corals and algae depend on one another. The corals offer the algae protection and the photosynthesizing algae provide the ...
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