CH 2 KINGDOM CLASSIFICATION BIOLOGY ICSE BOARD CLASS 7
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Classification in biology involves grouping organisms based on similarities and differences, aiding in understanding inter-relationships and organizing a wide variety of species. Taxonomy assigns scientific names to living creatures using binomial nomenclature, developed by Linnaeus in 1753, categorizing species into different levels from kingdom to species based on morphological characters and breeding capabilities.
Insights
- Taxonomy is a crucial biological science that involves identifying, naming, and categorizing organisms to understand their relationships. Taxonomists assign scientific names to living beings, aiding in their identification and organization based on similarities and differences.
- The binomial nomenclature system, established by Linnaeus in 1753, is used to name species by combining genus and species names. Taxonomy classifies organisms into various levels, from species to kingdom, based on morphological similarities and breeding capabilities, facilitating a structured study of biodiversity and inter-relationships within the natural world.
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Recent questions
What is the focus of the next topic in Biology?
Kingdom Classification
What is Taxonomy in Biology?
Biological science dealing with organism identification, nomenclature, and classification
Why do Taxonomists provide scientific names to living creatures?
For identification purposes
What are the advantages of classification in Biology?
Studying a wide variety of organisms and understanding inter-relationships
Who developed the binomial nomenclature system?
Linnaeus
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Summary
00:00
"Biological Classification: Taxonomy and Binomial Nomenclature"
- Chapter 1 and last few chapters of class 7th Biology are completed.
- Physics Kingdom Classification is the next topic.
- Classification is done in two parts, focusing on the need and definition of Classification.
- Taxonomy is a biological science dealing with organism identification, nomenclature, and classification.
- Taxonomists provide scientific names to living creatures for identification.
- Classification helps in organizing organisms based on similarities and differences.
- Advantages of classification include studying a wide variety of organisms and understanding inter-relationships.
- Classification aids in the development of other biological sciences like biogeography.
- Scientific names follow the binomial nomenclature system with genus and species names.
- Binomial nomenclature was developed by Linnaeus in 1753 for naming plants and animals.
17:57
Hierarchy of Taxonomy: Species to Kingdom
- Taxonomy categorizes species into different levels, with species being the lowest category and kingdom being the highest.
- Species are groups of individuals with similar morphological characters that can breed among themselves and produce fertile offspring.
- Genus is a group of related species with similar characteristics, while family consists of related genera that are more similar to each other.
- Orders are related groups of families, with classes representing orders with similar characteristics.
- Phylum includes organisms with common characteristics, such as those in the phylum Chordata having a notochord in the embryo stage.
