The pioneer species are r-selected species (good colonizers, unstable habitat, quick growing, fast reproducers), while the climax species are K-selected species (slow growing, need a stable habitat, long living).
(The pioneer species; are; r-selected species) (the climax species; are; K-selected species (slow growing) (the climax species; need; a stable habitat)
The pioneer species the climax species the climax species
are are need
r-selected species
K-selected species (slow growing
a stable habitat