Ecology B.Species Interactions 1.Intraspecific competition Ex – Competition for algae by sea urchins Ex – Competition for shells by hermit crabs 2.Interspecies.
Biotic Relationships All organisms fit into a: Habitat - the physical area in which an organism lives. Niche - the way of life of an organism. Population.
G.O.1Biological diversity is reflected in the variety of life on Earth . 1-2 Interdependence