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Adaptive radiation results in species diversity as organisms adapt to different ecological niches from a common ancestor. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
Homo habilis, also known as the ‘handy man, ’ was the first hominid to use stone tools. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.
Homo erectus is known as the first hominid to use fire, marking an important stage in human evolution. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Evolution, Topic: Theories, Hardy-Weinberg principle and evidences.
Food webs are formed by multiple interconnected food chains and illustrate complex feeding relationships in an ecosystem.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecosystem - Structure Components Stratification
Neurons have limited regenerative ability; in most cases, they cannot regenerate once damaged.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Neural System and Neuron - Structure Types and Functions
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