3.1.3 Flashcards
Define a community
A group of interacting species that occur together in a particular place or habitat.
Define Diversity Indecies
A mathematical measure of species diversity in a community that takes into account both the number of species present and the relative abundances of different species.
Define Relative abundance
The proportion of each species in a community or ecosystem. (How many)
Define Community composition
The species present in a community and their relative abundances. (What types)
Importance of diversity indices
Diversity indices provide important information about community composition and structure. They can help biologists understand the patterns and drivers of biodiversity.
Community structure
The physical or biological arrangement of organisms in a community.