Biodiversity Flashcards
Biodiversity
Variety of living organisms in an area
Species
A group of similar organisms able to reproduce to give fertile offspring
Habitat
Area inhabited by a species- physical eg soil and biotic eg presence of predators
Levels of biodiversity
Habitat, species, genetic
Habitat diversity
Number of different habitats in an area
Species diversity
Number of different species (richness) and abundance of each (evenness)
Genetic diversity
Variation of alleles within a species
Habitat
Place where an organism lives
Population
All the organisms of one species in a habitat.
Producer
An organism that produces energy and organic molecules using sunlight energy.
Consumer
An organism that eats other organisms.
Decomposer
An organism that breaks down dead or undigested organic material
Trophic level
A stage in a food chain occupied by a particular group of organisms
Ecosystem
All the organisms living in a certain area and all of the non living conditions