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Over time species evolve into new species.
Physical Geography is the geography which is composed of natural features and their processes, an example would be Biogeography which is the study of the distribution of species, organisms, and ecosystems throughout geological time.
A group of organisms of the same species is called a population. A group of different species living together is called a community.
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Biogeography is the study of the distribution of species and ecosystems in geographical space and throughout geological time.
Independent events with a constant probability of occurrence over a fixed interval of time (or space).
Eventually, all native species had to have been introduced sometime. So, native species are introduced species that have been in the ecosystem for a long time, and it and the other organisms have adapted to each other. Eventually, all native species had to have been introduced sometime. So, native species are introduced species that have been in the ecosystem for a long time, and it and the other organisms have adapted to each other.
The organisms of one species living together in the same place at the same time are a population.
Events occurring independently, singly and at a constant rate (in time or space).
Biogeography is the study of the distribution of species and ecosystems in geographic space and through (geological) time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area.
The prefix "bio-" is commonly used in combination with fauna to refer to the study or presence of animal life, such as in words like "biogeography" (the study of the distribution of animal species) or "biota" (the living organisms in a particular region or time period).
Relationships between different organisms for an extended period of time is normally referred to as ecosystem. Ecosystems ensure that life is balanced and species continue surviving.