AQA A2 Biol4 - Population

Descripción

Book Ref - 1.1 - 1.4
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Resumen del Recurso

Pregunta Respuesta
Ecosystem Self-contained unit made up of the biotic and abiotic factors in an area
Population A group of individuals of the same species in a habitat
Community The organisms of all species that live in the same area
Habitat The place where an organism normally lives
Niche All the conditions and resources required for an organism to survive and reproduce. (its 'role')
Random Sampling Sampling a population to eliminate bias
Systematic Sampling Regular sampling across an area
Mark-Release-Recapture popn size= No. in first sample * No. in second sample ----------------------------------------------------- marked animals in second sample
Abiotic Factors The non-living factors of an environment
Biotic Factors The living factors of an environment
Interspecific Competition Competition between organisms of different species
Intraspecific Competition Competition between organisims of the same species
Mostrar resumen completo Ocultar resumen completo

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