When organisms live together in such a manner that one organism is benefited,while the other has no effect,it is called:

Which of the following is a correct pair?

Given below are two statements:
Statement $I:$ Gause's 'Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co-exist indefinitely and the competitively inferior one will be eliminated eventually.
Statement $II:$ In general,carnivores are more adversely affected by competition than herbivores.
In the light of the above statements,choose the correct answer from the options given below:

Which one of the following statements cannot be connected to Predation?

Interspecific interaction could be

Which of the following exhibits parasitism on the stem of a plant?