What is the most widely used method for constructing the evolutionary history of a species?

A. Index fossil
B. Molecular clock
C. Cladistics
D. Absolute dating



Answer :

Final answer:

Cladistics and molecular clocks are essential tools in constructing species' evolutionary history through analyzing branching lineages and DNA sequences.


Explanation:

Cladistics is the most widely used method for constructing the evolutionary history of a species. This method involves tracing evolutionary development in terms of branching lineages and representing them using dendritic diagrams.

Incorporating information into phylogenetic trees through cladistics helps depict hypotheses on how organisms are related based on ancestor and descendant traits. Molecular clocks, another crucial tool, use DNA sequences to estimate time since species diverged from a common ancestor.

Fossil records, combined with molecular clocks, play a significant role in understanding the history of life on Earth, providing insights into the evolution and divergence of different species.


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