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There are millions of living organisms on earth. All these living organisms differ in shape, size, colour, habitat and many other characteristics. To understand their origin, diversity, distribution and inter relationship, the scientists have devised mechanisms to classify all of them. Classification of living organisms help in revealing the relationship between various organisms. It also helps in making study of organisms easy and organized.
Q. Modern classification is based on :
- a)Fossils
- b)Taxonomy
- c)Morphology
- d)Phylogeny
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
There are millions of living organisms on earth. All these living orga...
Modern classification is based on Phylogeny. Phylogeny is the history of the evolution of a species or group, mainly in reference to lines of descent and relationships among broad groups of organisms.
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There are millions of living organisms on earth. All these living orga...
Modern Classification is based on Phylogeny.
Phylogeny is the evolutionary history and genetic relationships among organisms. It is based on the idea that all living organisms are related through a common ancestor and have evolved from it over time. Modern classification systems use phylogenetic analysis to group organisms based on their evolutionary relationships.
Phylogenetic Analysis:
Phylogenetic analysis involves studying the genetic and morphological characteristics of organisms to determine their evolutionary relationships. This is done by comparing DNA or protein sequences, as well as examining similarities and differences in physical traits.
Classification based on Phylogeny:
Modern classification systems group organisms into taxa (categories) based on their shared characteristics and evolutionary history. This is done using a hierarchical system, where organisms are classified into increasingly specific groups.
The highest level of classification is the domain, followed by kingdom, phylum, class, order, family, genus, and species. Each of these categories represents a different level of relatedness among organisms.
Advantages of Phylogenetic Classification:
1. Revealing Evolutionary Relationships: Phylogenetic classification allows scientists to understand the evolutionary relationships between different organisms. It provides insights into how species have evolved and diverged over time.
2. Organized Study of Organisms: Classification helps in organizing the study of organisms by grouping them based on their similarities and differences. This allows scientists to focus their research on specific groups and make comparisons between related organisms.
3. Predicting Characteristics: By understanding the evolutionary relationships between organisms, scientists can predict certain characteristics of related species. This is particularly useful when studying new or unknown species.
4. Conservation and Biodiversity: Phylogenetic classification aids in conservation efforts by identifying endangered species and understanding their relationships with other organisms. It helps in prioritizing conservation efforts and protecting biodiversity.
5. Communication and Understanding: A standardized classification system based on phylogeny allows scientists to communicate and share information effectively. It provides a common language for discussing and understanding the relationships between different organisms.
In conclusion, modern classification is based on phylogeny, which involves studying the evolutionary relationships among organisms. This approach helps in revealing the relationship between various organisms, making the study of organisms easy and organized.
Phylogeny is the evolutionary history and genetic relationships among organisms. It is based on the idea that all living organisms are related through a common ancestor and have evolved from it over time. Modern classification systems use phylogenetic analysis to group organisms based on their evolutionary relationships.
Phylogenetic Analysis:
Phylogenetic analysis involves studying the genetic and morphological characteristics of organisms to determine their evolutionary relationships. This is done by comparing DNA or protein sequences, as well as examining similarities and differences in physical traits.
Classification based on Phylogeny:
Modern classification systems group organisms into taxa (categories) based on their shared characteristics and evolutionary history. This is done using a hierarchical system, where organisms are classified into increasingly specific groups.
The highest level of classification is the domain, followed by kingdom, phylum, class, order, family, genus, and species. Each of these categories represents a different level of relatedness among organisms.
Advantages of Phylogenetic Classification:
1. Revealing Evolutionary Relationships: Phylogenetic classification allows scientists to understand the evolutionary relationships between different organisms. It provides insights into how species have evolved and diverged over time.
2. Organized Study of Organisms: Classification helps in organizing the study of organisms by grouping them based on their similarities and differences. This allows scientists to focus their research on specific groups and make comparisons between related organisms.
3. Predicting Characteristics: By understanding the evolutionary relationships between organisms, scientists can predict certain characteristics of related species. This is particularly useful when studying new or unknown species.
4. Conservation and Biodiversity: Phylogenetic classification aids in conservation efforts by identifying endangered species and understanding their relationships with other organisms. It helps in prioritizing conservation efforts and protecting biodiversity.
5. Communication and Understanding: A standardized classification system based on phylogeny allows scientists to communicate and share information effectively. It provides a common language for discussing and understanding the relationships between different organisms.
In conclusion, modern classification is based on phylogeny, which involves studying the evolutionary relationships among organisms. This approach helps in revealing the relationship between various organisms, making the study of organisms easy and organized.
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There are millions of living organisms on earth. All these living organisms differ in shape, size, colour, habitat and many other characteristics. To understand their origin, diversity, distribution and inter relationship, the scientists have devised mechanisms to classify all of them. Classification of living organisms help in revealing the relationship between various organisms. It also helps in making study of organisms easy and organized.Q. Modern classification is based on :a)Fossilsb)Taxonomyc)Morphologyd)PhylogenyCorrect answer is option 'D'. Can you explain this answer?
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