Will give brainiest answer.

a. it has a parasite–host relationship with the robin because it uses the robin’s nest.
b. it has a predator–prey relationship with tent caterpillars because they both use the same resources from the sugar-maple tree.
c. it has a producer–consumer relationship with sugar-maple trees because it gets food from the trees
d. it has a producer–consumer relationship with its young because it feeds its young regurgitated food.