question: What is something that adds complexity to species interactions?
choices.text: sea anemones vibration animals pigmentation anemones several genes mutualism sponges
choices.label: A B C D E F G H
fact2: Symbiotic relationships are common and add to the complexity of species interactions.
combinedfact: Mutualism adds to the complexity of species interactions.
formatted_question: What is something that adds complexity to species interactions? (A) sea anemones (B) vibration (C) animals (D) pigmentation (E) anemones (F) several genes (G) mutualism (H) sponges