National 5 Biology - Life on Earth

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National 5 Biology - Life on Earth Flashcards
Nuno da Costa
Flashcards by Nuno da Costa, updated more than 1 year ago
Nuno da Costa
Created by Nuno da Costa about 10 years ago
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Resource summary

Question Answer
Biomes Various regions of our planet as distinguished by their CLIMATE, FAUNA and FLORA
Flora The PLANT life in a biome
Fauna The ANIMAL life in a biome
Ecosystem Consists of all the ORGANISMS living in a particular HABITAT
Population The total number of organisms of the SAME SPECIES living in a habitat (example: all the lions living in a savannah)
Niche The ROLE an organism plays within a community
Community All the PLANTS and ANIMALS living in an ecosystem
Habitat The place where an organism LIVES
Biodiversity The number of DIFFERENT SPECIES living in an ecosystem
Factors which influence biodiversity are: Biotic and Abiotic factors
Abiotic factors NON-LIVING factors that influence biodiversity (moisture, light intensity, temperature & pH)
Biotic factors LIVING factors that influence biodiversity (predation, grazing, competition for resources and disease)
Examples of human influences on biodiversity Over-exploitation : Over-hunting, Over-fishing & Over-grazing Habitat destruction : Desertification & Deforestation Pollution
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