Levels of Ecological Organization

Individuals

  • An individual is any living thing or organism. Individuals do not breed with individuals from other groups. Animals, unlike plants, tend to be very definite with this term because some plants can cross-breed with other fertile plants.

Population

A group of individuals of a given species that live in a specific geographic area at a given time. Populations include individuals of the same species, but may have different genetic makeup such as hair/eye/skin colour and size between themselves and other populations.

  • Density and Patterns of Age Structure: Population age structure is an important characteristic of populations that ....
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