Human Activity and Change Quick Check

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Question
What effect do algae blooms have on ocean ecosystems?(1 point)
Responses

increased underwater plant population
increased underwater plant population

increased fish population
increased fish population

decreased carbon dioxide in the water
decreased carbon dioxide in the water

decreased oxygen in the water
decreased oxygen in the water
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Answer 1

The correct response is "decreased oxygen in the water."

Algae blooms can lead to hypoxia (low oxygen levels) in the water, which negatively affects marine life and can result in fish kills and other ecological disruptions.