What is co-evolution? Explain with example,

Explanation

The interaction between organisms, when continues for generations, involves reciprocal changes in genetic and morphological characters of both organisms. This type of evolution is called Co-evolution. It is a kind of co-adaptation and mutual change among interactive species.
Examples:
• Corolla length and proboscis length of butterflies and moths (Habenaria and Moth).
• Bird.s beak shape and flower shape and size.