BIOb CH 5 Biodiversity

Excessive use of species that have economic value.

• Edge Effect

• Mass Extinction

• Overexploitation

• Habitat Fragmentation

Gradual process of species becoming extinct

• Mass Extinction

• Overexploitation

• Background Extinction

• Biological Magnification

High toxic substances for organisms high on food chain

• Biological Magnification

• Mass Extinction

• Edge Effects

• Overexploitation

Different conditions along boundaries of ecosystems

• Overexploitation

• Edge Effects

• Habitat Fragmentation

• Background Extinction

Separation of ecosystem into smaller parcels

• Background Extinction

• Edge Effects

• Mass Extinction

• Habitat Fragmentation

Large percentage of all living species become extinct

• Mass Extinction

• Biological Magnification

• Background Extinction

• Edge Effects

depends on the number of members in a population per unit area

• Density Independent Factor

• Density Dependent Factor

• Dispersion

• Carrying Capacity

pattern of spacing of a population within an area

• Dispersion

• Emigration

• Immigration

• Carry Capacity

does NOT depend on number of members in a population per unit area

• Density Dependent Factor

• Carry Capacity

• Emigration

• Density Independent Factor

the number of individuals moving away from a population

• Carrying Capacity

• Immigration

• Emigration

• Dispersion