Key Area 3.7 Components Of Biodiversity Flashcards
What is biodiversity?
The variety of plant and animal life in the world or in a particular habitat, a high level of which is usually considered to be important and desirable.
What components make up biodiversity?
Genetic, species, and ecosystem diversity.
What is genetic diversity?
The number and frequency of alleles in a population.
What is species diversity?
The number of species and relative abundance of each species in an ecosystem.
What is species richness?
The number of different species present in an ecosystem.
What is relative abundance?
The proportion of each species in the ecosystem.
What is ecosystem diversity?
Number of distinct ecosystems within a defined area.
What is an ecosystem?
A natural biological unit made up of living and non living parts.
