noun
- plural of macroevolution; large-scale evolutionary changes that occur over long periods of time, typically resulting in the formation of new species or higher taxonomic groups
Usage: scientific/biological term; plural form
Examples
- The fossil record provides evidence of macroevolutions across millions of years.
- Scientists study macroevolutions to understand how major animal groups diverged from common ancestors.
- The transition from fish to tetrapods represents one of the most significant macroevolutions in vertebrate history.
- Macroevolutions often involve the development of entirely new body structures and adaptations.
- Debates about macroevolutions and their mechanisms continue in evolutionary biology.