1. 1.2 Interdependence
No species can live by itself,each species is dependent on another
3 Symbiotic Relationships
Commensalism: one organism benefits but the other does not. Eg. baracles
Mutualism: both organisms benefit Eg. sucker fish and shark
Parasitism: one organism benefits and the other is harmed. Eg. tapeworm

2. Clownfish & Sea Anemone
Flowers & Pollinators
Tapeworm

3. Interdependence cont’d
Niches: the role of an organism within its environment. Includes what the organism eats, habitat, nesting site, predators, etc.
Interspecies Competition: two or more species need the same resources
Resource Partitioning: the species divide up the resources equally to ensure survival. Eg. warblers