3.2 Flashcards
What is the definition of biodiversity
differences in life
What are some benefits of humans that come from biodiversity
food, shelter, medicine, clean air
What is species diversity
the number of different species
Species Evenness is what
abundance/of different species
what is genetic diversity
the population size
what is ecosystem diversity
the range of habitat types and variation within ecosystems. more niches, more species
what is primary succession
begins with virtually lifeless area without soil, mosses and lichens start to create soil soon into the development
what drives succession
tolerance, facilitation, inhibition
what is tolerance
high r, tolerant of harsh conditions
what is facilitation
early species make environment better
what is secondary succession
existing base is cleared but still has a base level of soil
what is a climax community
a community that is well-established
what are pioneer species
the first species to go into a new environment and rebuild it
