Which association shows mutualism?

Match commensalism examples: A. Orchid B. Barnacles C. Egret D. Sea anemone Options:

Human liver fluke depends on two intermediate hosts

Match the following: A. MacArthur B. Brood parasitism C. Sexual deceit D. Mycorrhizae E. Lichen Opti

Avoiding competition by using different resources/time is

Competitive exclusion principle was given by