eutrophication= occurs when lakes, Costal waters receive inputs of nutrients, (nitrates and sulphates) which has a negative impact on the growth of plants and phytoplankton.
specie diversity= in communities is the product of two variables, the number of species, (richnessandthe relative proportions.
The iucn red list= international union for the conservation of nature and natural resources.
land bridges= when specie invades a new areas, affects food chain,
continental drift= separation of continentes, similar animals adapt different to different biomes.
inertia is the property of an ecosystem to resist changes, this will either resist change or fast recovery.