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Species Diversity and Interaction
Tropical Rainforest Value
Plants are a source of…
…oxygen
…genetic innovation
…potential medicinal compounds
…and a CO2 sink
The highest densities and greatest diversities of plants are found in tropical rainforests
(density, climate)
(density, climate)
(diversity)
diversity; herbivore diversity)
(plant
Species Diversity
Community A: 50 spp& Community B: 30 spp
The Tropical Rainforest Biome exhibits the greatest biodiversity on Earth…
…but why?
Evolutionary time theory…
Competition hypothesis…
Heterogeneous environment hypothesis…
Climatic stability theory…
Climatic predictability theory…
Productivity hypothesis…
Predation hypothesis…
Animal pollinators theory…
The Tropical Rainforest Biome exhibits the greatest biodiversity on Earth…
…why? …and so what?
The greater the biodiversity, the greater the potential for interactions…
The Tropical Rainforest Biome exhibits the greatest biodiversity on Earth…
…why? …and so what?
The greater the biodiversity, the greater the potential for interactions…
Mutualism: win/win
Commensalism: win/huh?
Amensalism: huh?/lose
Parasitism: win/lose
The Tropical Rainforest Biome exhibits the greatest biodiversity on Earth…
…why? …and so what?
The greater the biodiversity, the greater the potential for interactions…
Competition
Predation
Herbivory
Mimicry
Batesian Mimicry
Mullerian Mimicry
