SAT Subject Biology Practice Question 385: Answer and Explanation
15. A tapeworm in the intestine of a human
C. Interspecific competition
Correct Answer: E
E Again, the human is being harmed by the tapeworm, so eliminate choices in which no harm is done (choices B and D). The human is not preyed on by the tapeworm (choice A is eliminated), and neither are the human and tapeworm competing (choice C is eliminated).