Coevolution
Videos
In biology, coevolution occurs when two or more species reciprocally affect each other's evolution through the process of natural selection. The term sometimes is used for two traits in the same speci
The pollinating wasp Dasyscolia ciliata in pseudocopulation with a flower of Ophrys speculum
Honey bee taking a reward of nectar and collecting pollen in its pollen baskets from white melilot flowers
Purple-throated carib feeding from and pollinating a flower
A fig exposing its many tiny matured, seed-bearing gynoecia. These are pollinated by the fig wasp, Blastophaga psenes. In the cultivated fig, there are also asexual varieties.
Evolutionary arms race
Videos
In evolutionary biology, an evolutionary arms race is an ongoing struggle between competing sets of co-evolving genes, phenotypic and behavioral traits that develop escalating adaptations and counter-
An example of an asymmetrical arms race is cheetahs (Acinonyx jubatus) evolving to become better hunters and gazelle evolving to evade being killed.
Rough-skinned newt
Cane toads (Rhinella marina) have experienced a massive population explosion in Australia due to the lack of competition.