Question

there are 24 species of hornbills that live in africa, all descended from a common ancestor. there are differences in nesting behavior, feeding morphology, and the habitats in which they are found, which include forests, woodlands, and savannahs. which statement best reflects how ecology and competition could have played a role in diversification of the hornbill lineages?

Answer 1

During the evolution of hornbills, resource partitioning between various groups may have led to competitive exclusion and speciation.

Origin and diversification of hornbill:

A remarkable group of Palaeotropical birds known for their unusual morphology (casque) and behaviour are hornbills. Significant interspecific variation may be seen in hornbill food, habitat utilisation, distribution, and social structure. Their mutualistic interactions with tropical fruits also contribute significantly to environmental services. Conflicting theories exist regarding hornbills' origin, rate of diversification, and biogeography, but their evolutionary history is still unknown. Although a gradual accumulation of molecular data has revealed intriguing phylogenetic relationships, methodological restrictions and inadequate sampling have left gaps and led to inconsistent results. This is true even though a thorough cladistic analysis of phenotypic data has revealed unresolved taxonomic uncertainties within the family.

As a result, the evolutionary paradigm used to analyze the group's variety is insufficient.

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