NCERT Class 6 Science Chapter 10
Living Creatures: Exploring their Characteristics
This chapter helps Class 6 CBSE students distinguish between living and non-living things by exploring the essential characteristics of life, such as nutrition, respiration, growth, reproduction, and response to stimuli. Students examine how various organisms carry out these life processes and what makes living beings unique. The chapter builds a foundational understanding of biology for further studies.
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Key Terms
- Nutrition
- The process by which living organisms obtain and use food for energy, growth, and repair.
- Respiration
- The biological process by which organisms break down food (glucose) to release energy, consuming oxygen and producing carbon dioxide.
- Growth
- A permanent and irreversible increase in the size, mass, or number of cells of a living organism over time.
- Reproduction
- The biological process by which living organisms produce offspring of the same kind, ensuring survival of the species.
- Excretion
- The process by which living organisms remove metabolic waste products from their bodies.
- Stimulus and Response
- A stimulus is any change in the environment that causes a reaction; the reaction of the organism to that change is called a response.
Frequently Asked Questions
What are the characteristics of living things in Class 6 Science?▾
Living things are characterized by nutrition (taking in food), respiration (releasing energy), growth (increase in size), reproduction (producing offspring), excretion (removing waste), movement, and response to stimuli.
What is the difference between living and non-living things in Class 6?▾
Living things carry out life processes such as nutrition, respiration, growth, reproduction, and excretion. Non-living things do not perform these processes. However, some things like fire and clouds can show some life-like properties but are not alive.
What is respiration in Class 6 Science Chapter 10?▾
Respiration is the process by which organisms break down glucose to release energy. In aerobic respiration, oxygen is used and carbon dioxide and water are produced. All living organisms — plants and animals — carry out respiration.
How do plants respond to stimuli in Class 6 Science?▾
Plants respond to stimuli such as light (phototropism — growing towards light), gravity (gravitropism — roots growing downward), and water (hydrotropism — roots growing towards water). These are slow responses compared to animals.
What is reproduction and why is it important in Class 6 Science?▾
Reproduction is the process by which living organisms produce new individuals of the same species. It is important for the survival of a species. Organisms reproduce sexually (using two parents) or asexually (from one parent) depending on the species.
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