Explain the benefit of the ability moose and reindeer have to eat red fescue grass. in your answer, be sure to:

To complete the question: Be sure to; Explain why fed plants with fungus normally have and advantage over red fescue plants without the fungus; 
Plants with the fungus contain the toxin that usually keeps them from being eaten. That is the plants with fungus are poisonous to most animals that eat them; plants without fungus on the other hand will be eaten readily by many herbivores with no negative effects. 

They include lobsters and crabs