Question 17 (6 points). Vultures, which are classified as scavengers, are an important part of an ecosystem because they cause the decay of dead organisms, which releases usable energy td-herbivores and carnivores are the first level in food webs and make energy available to all the other organisms in the web hunt herbivores, limiting their populations in an ecosystem feed on dead animals, which aids in the recycling of environmental materials

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.  

the flagellates share a facultative mutualist association with termites. mutualism is a biological interaction between individuals of different species, where both benefit from each other. this is called cooperation and it differs from other interactions such as cases of exploitation, such as parasitism, predation. in this interaction called association, both species cooperate and benefit.