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Ecology is the study of the interrelationships between organisms and their
Key word Definition Ecosystem All the interacting biotic and abiotic features in a specific
Population A group of interbreeding organisms of one species in a habitat
Habitat The place where a community of organisms live
Community Populations…

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4 Mountains are harsh environments. The higher up lne mountainI the lower the
temperature becomes. The diagram shows a forest growing on ihe sioe of a mountain. Tne upper oounoarj.r of the forest is called
the tree Trees do not grow'.r above the tree line.
4 {a} {I} The pee'rtien…

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Investigating populations of organisms involves looking at the abundance and
distribution of species in a particular area.
To study a habitat, it is often necessary to count the number of individuals of species in
a given space. It is virtually impossible to identify and count every organism. To do so…

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these arent opening :/



this is amazing, thank you so much

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