Ships accidentally spread a species of sea urchins to an area of the sea in which they previously didn’t live. The graph depicts the growth trend of native seaweed, a common food for sea urchins, after this invasion. What could ecologists do to curb the trend in the seaweed population?

A.
Eliminate the sea urchins’ competitor.
B.
Introduce more sea urchins.
C.
Introduce a competitor for seaweed.
D.
Introduce a predator for invasive sea urchins.

The ecologists introduce the predators of sea urchins to control the population of seaweed. Thus, option D is correct.

The introduction of sea urchins in the specific area increased the consumption of the seaweed. The increased consumption has resulted in the disruption of the ecological balance.

The ecological balance has been the presence of the animals in the primary, secondary, and tertiary levels to maintain the consumption and the ecosystem.

To control the seaweed population in the marine ecosystem, there has been the presence of secondary consumers for the sea urchins. The secondary consumers consume the primary sea urchins and resulting in curbing the population of seaweed.

Thus, the ecologists introduce the predators of sea urchins to control the population of seaweed. Thus, option D is correct.

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