Question

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

increased fish population
increased fish population

increased underwater plant population
increased underwater plant population

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

decreased oxygen in the water

Answer 1

The correct response is:

**decreased oxygen in the water**

Algae blooms can lead to hypoxia (low oxygen levels) or anoxia (absence of oxygen) in the water, which negatively impacts marine life, including fish and other aquatic organisms.