macroevolution
/ˌmækroʊˌɛvəˈluʃən/
noun
- Large-scale evolutionary changes that happen over long periods, such as the development of new species or major body structures.
- The biology textbook had a chapter on macroevolution and the origin of new animal groups.
- Macroevolution explains how dinosaurs evolved into birds over millions of years.
- Fossil records provide evidence for macroevolution, showing gradual changes in ancient species.
Antonyms