Answer:
Are you referring to symbiotic relationships between organism? If so, the answer would be parasitism.
One organism, a parasite, takes advantage of another organism at the expense of the host organism.
Ex. A tick bites a dog for blood to use as food. The dog gets an uncomfortable bug bite and the dog might catch a tick borne disease.
It will melt because it is probably hot.
I would probably clean it.
Stop leaving butter on the table.
A food web has many different links; It links off into different animals. Where as a food chains just a line of single animals that eat those animals for example: like hawks eat bunnies and bunnies eat grass and grass is the producer.
hope this helps u out...good luck