Unit 3 Topic 1: Biodiversity

biodiversity

diversity of species and ecosystems

species richness

how many species there are

species evenness

shows how balanced they are

percentage cover

how much space each species occupies

percentage fequency

shows widespread of each species

simpson’s diversity index

combines richness and species into one number

define spatial differentation

Comparing ecosystems across different locations.

explain how environmental factors limit the distribution and abundance of species in an ecosystem.

Environmental factors like temperature, water availability, and soil type influence the habitats available for various species, ultimately affecting their survival and reproduction.

Temporal differentiation

comparing ecosystems at the same locations but at different times.

define abiotic factors with examples

is non-living e.g. temperature, water availability, soil type

define biotic factors with examples

living e.g. plants, fungi, animals