Envi. Sci. ch. 11+
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Biodiversity | the sum total of all organisms in an area taking into account the diversity of species, their genes, their populations, and their communities
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| Species Diversity | the number or variety of species in the world or in a particular place
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| Species Richness | The number of different species in a given area
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| Species Evenness or Relative Abundance | the proportion of a species to others in a given area
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| Genetic Diversity | the differences in DNA composition among individuals within a species and populations
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| Latitudinal gradient | species richness generally increases as the equator is approached (especially true for the Northern Hemisphere)
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| Extirpation | the disappearance of a population from a certain area but not from the entire planet
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| Major causes of Biodiversity loss | Invasive Species, Habitat alteration, Pollution, Over Harvesting
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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