Please select the correct answer corresponding to the question.
A sea anemone is in the animal kingdom, even though it resembles a plant. What characteristic allowed scientists to definitively classify the sea anemone as an animal rather than a plant?
A) Sea anemone are not photosynthetic
B) Sea anemone are eukaryotic
C) Sea anemone are heterotrophic
D) Sea anemone do not have cell walls