Evidence of common ancestry and diversity

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Evolution > Biodiversity > Evidence of common ancestry and diversity

All organisms evolved from a common ancestor. Various types of organisms have been created during the course of evolution, through mutations and natural selection. Each environment favors the development and evolution of different species and as a result, there is a wide variety of organisms in nature.

Connection to Big Idea about the cell: All organisms that come from a common ancestor, consist of cells and biological macromolecules which possess genetic material and produce energy needed for their functions.

Connection to Big Idea about Earth: Although organisms come from a common ancestor, they express different genes and have developed different survival mechanisms in order to survive in different environmental conditions. Fossils are evidence of organisms that lived on Earth a long time ago as well as of the environment they lived in. 

Subjects related: Biology

Age ranges: 12-13,13-14,17-18



PLATON is a two-year European project launched on September 2016. It aspires to provide teachers and school communities with a coherent teachers’ training framework which will update their current teaching practices. More particularly, PLATON aims to offer an open and innovative training framework to teachers of primary and secondary education which will focus on:

  • Promoting student-centred teaching approaches;
  • Promoting a holistic interdisciplinary approach;
  • Support the use of online educational tools;
  • Support the meaningful collaboration between teachers of the same school.



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