Which Change Caused the Kelp in Kelp Forests to Gradually Vanish?
Answers:
A) Most of the kelp died from a fungal infection that quickly spread.
B) Overhunting of sea otters caused a population increase in sea urchins.
C) Invasive fish ate all of the kelp because they had no predators.
D) People were overharvesting the kelp for food.