Biodiversity
The variety of life in the planet… or in a particular ecosystem
Taxonomy (5-)
Phylogenetic Tree of life
Prokaryote Bacteria /archea/ eukaryotes
Carl von Lineeé
Domains
Broader Category
Kingdoms
Animalia
Eukaryotic multicellular ingest motile sexual
Plantae
Eukaryotic multicellular photosynthesize nonmotile sexual
Fungi
Don´t make photosynthesis Eukaryotic multicellular absorb nonmotile sexual
Protists(2)
Eukaryotic Unicellular or multicellular absorb ingest photosynthesize sexual and asexual
Monera (1, prokaryotes)
prokaryotic unicellular absorb and photosynthesize motile or nonmotile asexual
Binary classification –ESPECIFIC
Biotic interaction
interactions among living organisms
Abiotic interaction
interactions among living organisms and their non-living environment
Biotic examples
Bears, seals, microorganisms, etc.
Abiotic examples
Temperature, pH,
water, light, salt
concentrations, etc.
Food chain
Simple feeding relationships between organisms.
» Linear energy flow
» Each organism feeding on and deriving energy
Trophic level
Each level of the food chain