MUTUALISM

COMMENSALISM

PARASITISM

PREDATION

COMPETITION

1.Orchids grow on branches of trees but do not harm the tree

2.Fungi cause atlete's foot on the skin of human beings.

3.Milk fish and tilapia feed on the same algae in fish pen.

4.Animals give off carbon dioxide that plants use in photosynthesis.Plants release oxygen that animals need in cellular respiration.

5.Chicken eating worm.
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