k":"

Habitat biodiversity
Species biodiversity
Genetic biodiversity

","points":1,"mcqOptions":[{"text":"

Habitat biodiversity
Species biodiversity
Genetic biodiversity

","correct":true,"explanation":"These are the three recognised levels: variation between habitats, variation in the species present, and genetic variation within species."},{"text":"

Ecosystem biodiversity
Population biodiversity
Molecular biodiversity

","correct":false,"explanation":"These are not the A Level classification of biodiversity. The recognised levels are habitat, species and genetic biodiversity, covering habitats, species and variation within species."},{"text":"

Individual biodiversity
Community biodiversity
Organ biodiversity

","correct":false,"explanation":"These terms describe biological organisation rather than biodiversity levels. The correct classification is habitat, species and genetic biodiversity, from habitats through species to variation within species."},{"text":"

Biome biodiversity
Population biodiversity
Cellular biodiversity

","correct":false,"explanation":"Biome and population are related ecological terms, while cellular biodiversity is not a recognised level here. A Level identifies habitat, species and genetic biodiversity as the three levels."}]},{"id":"9942ab01-b1f7-4f62-9596-fae781e13743","cardType":"basic","front":"Distinguish between species richness and species evenness.","back":"

Richness: the number of different species in a habitat.
Evenness: the relative abundance of individuals across different species.

","points":2,"mcqOptions":[{"text":"

Richness: the number of different species in a habitat.
Evenness: the relative abundance of individuals across different species.

","correct":true,"explanation":"Species richness counts how many different species are present, whereas species evenness describes how equally individuals are distributed among those species."},{"text":"

Richness: the relative abundance of individuals across different species.
Evenness: the number of different species in a habitat.

","correct":false,"explanation":"These definitions are reversed. Richness is the number of different species present, while evenness measures the relative abundance of individuals across those species."},{"text":"

Richness: the total number of individuals in a habitat.
Evenness: the number of different species in a habitat.

","correct":false,"explanation":"Total individuals describes overall abundance, not richness. Richness counts different species, while evenness describes how equally individuals are distributed across those species."},{"text":"

Richness: the number of different species in a habitat.
Evenness: the total biomass of all species.

","correct":false,"explanation":"Richness is correctly identified, but biomass measures the combined mass of organisms and does not describe evenness. Evenness is the relative abundance of individuals across different species."}]}]}],"examCountdown":{"examDate":"2027-06-07","paperLabel":"Paper 1"},"heading":"Biodiversity","title":"Biodiversity Flashcards","topicSidebar":"$L40"}]}],"topicId":"7dfbada3-2e14-553b-bcd4-1410d7552f09","walled":"$L41"}],"$L42"]