Marine biologists work to protect the ____. They study and ____ marine life. They ____ oceans to develop ____ to nature’s problems. Their work is essential. Solar ____ and wind power do not harm the environment. By using solar and ____ power, marine biologists can harm the environmen they need to analyze ____ and find ways to protect and preserve marine ecosystems. ____ biologists observe ____ . They ____ new plants and animals. They ____ research to learn more about them. Marine biologists also focus ____ energy sources in the ocean. They study ways to ____ energy .

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