As we know that in convergent evolution different structure evolved for same function.
And in adaptive radiation organism belonging to different habitats also evolved for a same habitats .

Convergent Evolution in Adaptive Radiation

Convergent evolution refers to the process in which unrelated species independently evolve similar traits or adapt to similar environments. When more than one adaptive radiation occurs in an isolated geographical area, each representing different habitats, it can be considered an example of convergent evolution. Let's break down this concept in detail:

Adaptive Radiation
Adaptive radiation is the phenomenon where a single ancestral species diversifies into multiple descendant species, each occupying different ecological niches or habitats. This diversification occurs due to the availability of various untapped resources or vacant ecological niches in a specific geographic area.

Multiple Adaptive Radiations in Isolated Geographic Area
When multiple adaptive radiations occur in the same isolated geographical area, it means that different ancestral species have independently diversified to exploit different habitats or niches available in that area. This can happen due to various factors such as geographical isolation, ecological opportunities, or changes in environmental conditions.

Convergent Evolution
Convergent evolution occurs when different species, which do not share a recent common ancestor, develop similar traits or characteristics due to similar environmental pressures or selective forces. These similarities are not inherited from a common ancestor but rather arise independently as a result of natural selection favoring certain traits in a particular environment.

Convergent Evolution in Multiple Adaptive Radiations
When multiple adaptive radiations occur in an isolated geographical area, and each radiation represents different habitats, it is likely that distinct ancestral species have independently evolved similar traits to adapt to their respective habitats. This convergence of traits in different lineages is driven by the similar selective pressures imposed by the different habitats.

Example
As an example, let's consider the Galapagos Islands. The islands are known for their unique biodiversity, including Darwin's finches. These finches have undergone adaptive radiation in response to the diverse habitats available on the islands. Each species of finch has developed unique beak shapes and sizes, allowing them to exploit different food sources available in their respective habitats. This represents convergent evolution within the context of multiple adaptive radiations.

In conclusion, when more than one adaptive radiation occurs in an isolated geographic area, each representing different habitats, it can be considered an example of convergent evolution. This convergence is driven by the independent evolution of similar traits in different lineages in response to similar environmental pressures or selective forces.