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.

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms