Unit 4.1: Populations

1. Living components, such as competition and predation, in an environment (6)
4. A Population where there is a lower birth rate, and a lower mortality rate, leading more to more elderly people. (10, 10)
5. Sampling technique used in the study of habitats (7)
7. Non-living components, such as temperature and rainfall, in an environment (7)
8. A Population where the birth rate and death rate are in balance = no increase/decrease in population size (6, 10)
10. ... is made up of all the interacting biotic and abiotic features in a specific are (9)

2. A group of interbreeding organisms occupying the same place at the same time (10)
3. The place where a group of organisms lives is know as a... (7)
6. Within each ecosystem are groups of individuals called... (9)
9. The likelihood of a particular species occurring in a quadrat (9)

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