Isthmus of Panama: formed about 3 million years ago, joining South America and North America; before 7 million years ago, they were separated by an ocean, but continental drift gradually drew them together; allowed mammals to spread into new territory to compete wit new species
Panama - Panama City, Central Ave La Avenida Central - fascinante e interesante - principal vía del comercio de la Cuidad de Panamá, República de Panamá. Central Avenue - fascinating and interesting - main business street of Panama City, Republic of Panama. postmarked in 1967 with a 6c Canal Zone, Isthmus of Panama stamp , lived there in 1967-68
http://ift.tt/2sP3jOa I learned that the closing of the Isthmus of Panama between North and South America dramatically changed world climates in many important ways one of which was causing Africa to become drier which eventually forced some primates to come down from the trees and begin walking on two legs.
It wasn’t so long ago that the Calzada de Amador was nothing more than a strip of tarmac used to link the capital to the small islands of Naos, Perico and Flamenco. Today, however, the Amador Causeway is one of the city’s best known roads, home to some of Panama’s top activities and attractions showcasing the best of the isthmus.
Object #71 | Sun Star Fossil https://www.floridamuseum.ufl.edu/100years/sun-star-fossil/ ------------------------- The Sun star enjoyed a wide distribution along both American coasts until the Isthmus of Panama formed about 2.8 million years ago. Afterward, many East Coast species went extinct, including the Sun Star. The species still thrives today along the Pacific Coast of North and South America. #invertebrate #paleontology #fossil