What is interaction between two species called?

Composition of the nuclei of two atomic species X and Y are given as under : Give the mass numbers of X and Y. What is the relation between the two species ?

The "clown fish" lives among the tentacles of sea anemone. What is this interaction between them called and why?

What do you mean by negative interactions between species?

What is gene interaction?

What do you mean by positive interactions between species?

Discuss the positive interaction between species.

What do you mean by negative interactions between species? Name the type of interactions involved in following examples. Control of mosquito larvae by Gambusia fish.

What do you mean by negative interactions between species? Name the type of interactions involved in following examples. Algae and fungus association in lichens.