As the Greeks began to see great prosperity, their population exploded. As a result of this increasing population, the farmers in the city-states where not able to produce enough food to support and feed everyone.
To solve this problem, the city-states began to colonize regions around the Mediterranean Sea. These colonies supplied their parent polis, known as a metropolis with grain and food, while the metropolis would supply its colony with the supplies that it needed.In the map the Mediterranean in ca. the 6th century BC. Phoenician cities are labelled in yellow, Greek cities in red, and other cities in grey.
to see Wikipedia
Tarea: Buscar y citar colonias Griegas y colonias fenicias en España, para ello vas al mapa, pulsando sobre ello, luego realizas un pequeño resumen sobre la colonización griega y junto a un mapa lo colocas en el blog, indicando qué colonias son griegas en España y cuales fenicias, con sus respectivos nombre.