1
Relationship that benefits one species but does not affects the other
2
Variety of living organisms
3
Relationship that harms one species ( host) and benefits the other (called parasite)
4
Animals ( secundar y consumer) that eats other animals
5
Ecosystem that incluyes marine and freshwater ecosystems
6
Relationship that benefits both species
7
An organism compete for the same limited resources, such as food, water and hábitat
