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A system that groups organisms by ancestry

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What basic idea does cladistics use to classify groups of organisms?

Cladistics shows the genetic relationships between organisms.


What is the main disadvantage to using cladistics?

One main disadvantage of cladistics is that it relies heavily on subjective decisions about which traits to include in the analysis, which can lead to different conclusions depending on the researcher's choices. Additionally, cladistics assumes that evolution always proceeds in a bifurcating manner, which may not always reflect the complexities of evolutionary relationships.


How is cladistics used to reveal evolutionary relationships between organisms?

Cladistics analyzes shared characteristics in organisms to group them into evolutionary related categories called clades. By identifying shared derived characteristics among species, cladistics can reveal the evolutionary relationships and common ancestry between organisms. This method helps to construct evolutionary trees that show the branching patterns of species over time.


a method of grouping organisms together based on shared characteristics giving a more accurate representation evolutionary relationships?

The method of grouping organisms based on shared characteristics to reflect evolutionary relationships is known as cladistics. This approach classifies organisms into clades, which are groups that include an ancestor and all its descendants, highlighting their evolutionary lineage. Cladistics relies on phylogenetic trees to visualize these relationships, emphasizing common ancestry and the branching patterns of evolution. By focusing on derived traits, cladistics provides a more precise understanding of how species are related through evolutionary history.


Which of cladistics or phylogeny is the most useful in understanding how an organism developed into its current form?

Phylogeny is the most useful in understanding how an organism developed into its current form because it focuses on the evolutionary history and relationships between different species. By analyzing phylogenetic trees and genetic data, scientists can trace the evolutionary pathways of organisms and determine their common ancestry. Cladistics, on the other hand, is a method used within phylogenetics to classify organisms based on shared derived characteristics.