Electron affinity: The enthalpy change that results from adding an electron to a gaseous atom.

Electron affinity is becoming less negative (less exothermic) and less likely to gain an electron. 

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#Id: 3737

#Unit 10. Ecological Principles

Local site richness, called alpha diversity or α diversity

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#Id: 3738

#Unit 10. Ecological Principles

Community Similarity

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#Id: 3739

#Unit 10. Ecological Principles

The Jaccard index / similarity index

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#Id: 3740

#Unit 10. Ecological Principles

Sorensen index

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#Id: 3741

#Unit 10. Ecological Principles

The simple matching index

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#Id: 5928

#Unit 10. Ecological Principles

Ecosystem - A geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.