A biological interaction where one species benefits and the other is neither helped nor harmed.

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

An interaction between two species in which one species benefits at the expense of the other, often leading to harm or death.

The variety of life in the world or in a particular habitat or ecosystem.

The role or function of an organism within its ecosystem, including what it eats, how it behaves, and how it interacts with other organisms.

A relationship between two species where both organisms benefit from the interaction.

The process by which organisms with favorable traits are more likely to reproduce, leading to those traits being passed on to future generations.

The movement of individuals into a population from other areas, contributing to the genetic diversity and population growth of that group.

The gradual change in species composition and community structure in an area over time, often following a disturbance.

The gradual return of an ecosystem to its original state after a disturbance, often involving changes in species composition and structure.