Question

What affect do algae blooms have on ocean ecosystems?(1 point) increased underwater plant population decreased carbon dioxide in the water increased fish population decreased oxygen in the water

Answer 1

An algal bloom affects the whole ecosystem. Consequences range from the benign feeding of higher trophic levels, to more harmful effects like blocking sunlight from reaching other organisms, causing a depletion of oxygen levels in the water, and, depending on the organism, secreting toxins into the water.