A Hypothetical Community on a Barren Mid- Atlantic Island Consists

A hypothetical community on a barren mid- Atlantic island consists of two fish- eating seabirds (the booby and the noddy) ,the fungi and microorganisms that live on the birds' dung,a tick that feeds on these two birds,a cactus,a moth that feeds on cast- off feathers,a beetle that lives on dung organisms,and spiders that eat the other arthropods.There are no other plants and no lichens.Which of the following choices incorrectly pairs a member of this assemblage with its position in the trophic structure?

A) booby,primary consumer
B) cactus,producer
C) moth,detritivore
D) fungi,detritivores