Which of the following is an example of parasitism?
a. clownfish defending sea anemone from other predators
b. hookworms consuming blood from inside an animal's intestine
c. barnacles living harmlessly on the side of a whale while collecting food
d. tree frogs using the trees to hide from predators

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d