In an oligopoly type of market, there are only few producers whom dominate the market. This is the market type wherein there are only small number of firms that control the majority of the market share. The opposite to Perfect Competition, wherein there are unlimited number of producers. In an oligopoly, since there are only a few numbers competitors, each firm is likely to be aware of each other's action.
Organisms that eat they producers or that don't make their own food
Answer:
when you grow plants, they are obviously identical to there parent plan, for an example a plant that produces offspring. (parent)
Aposematic coloration is often called a warning coloration, letting other other animals know not to get near it