Envi. Sci. ch. 11+ Word Scramble
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Question | Answer |
Biodiversity | the sum total of all organisms in an area taking into account the diversity of species, their genes, their populations, and their communities |
Species Diversity | the number or variety of species in the world or in a particular place |
Species Richness | The number of different species in a given area |
Species Evenness or Relative Abundance | the proportion of a species to others in a given area |
Genetic Diversity | the differences in DNA composition among individuals within a species and populations |
Latitudinal gradient | species richness generally increases as the equator is approached (especially true for the Northern Hemisphere) |
Extirpation | the disappearance of a population from a certain area but not from the entire planet |
Major causes of Biodiversity loss | Invasive Species, Habitat alteration, Pollution, Over Harvesting |
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