In this forest, various organisms live by building a relationship of mutualism.

The menu of this restaurant is various, making it difficult to choose.

He is working hard to construct a new house.

The relationship between this seaweed and the clownfish is called commensalism.

We should live our lives to the fullest.

In this forest, various organisms are living in symbiosis.

The forest is quiet.

We have maintained a good relationship for a long time.

His research is deeply related to my project.

The forest is a quiet and beautiful place.