Question

marine food web. sea urchin, sea lions, fish, killer whales, sea otters, algae, mussels. based on the food web, how would a significant decrease in the sea otter population due to an oil - spill most likely affect this ecosystem? the sea urchin population would increase causing the algae population to decrease. the fish population would increase in response to changes in the mussel population. the mussel population would increase in response to changes in the algae population. the killer whale population would increase causing the fish population to decrease. clear all

Explanation:

In the marine food - web, sea otters prey on sea urchins. A decrease in sea otters due to an oil spill would lead to less predation on sea urchins, causing the sea urchin population to increase.

Answer:

The sea urchin population would increase as a result of the sea otter population to decrease.