Posted by In Chapter 6 of RBSE Class 6 Science, “The Living Organisms: Characteristics and Habitats,” students explore the essential features of living organisms and the different habitats they occupy. This chapter covers the characteristics that define living organisms, such as growth, reproduction, and respiration, as well as the diverse habitats in which they thrive, from deserts to oceans.
Table of Contents
RBSE Solutions for Class 6 Science Chapter 6 Exercise Questions
1. What is a habitat?
Solution:
The place where organisms live is called the habitat. Habitat means a dwelling place (a home). The habitat provides food, water, air, shelter and other needs to organisms.
2. How is a cactus adapted to survive in a desert?
Solution:
Adaptations of a cactus are as follows:
- The leaf is replaced by the spine to reduce transpiration
- Stems carry out photosynthesis
- A thick waxy layer surrounds the leaf to retain water
- The roots of a cactus are deeply rooted inside the soil to absorb water
3. Fill in the blanks
(a) The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called ————.
(b) The habitats of the plants and animals that live on land are called ———— habitat.
(c) The habitats of plants and animals that live in water are called ————habitats.
(d) Soil, water and air are the ———— factors of a habitat.
(e) Changes in our surroundings that make us respond to them are called ————.
Solution:
(a) The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called adaptation.
(b) The habitats of the plants and animals that live on land are called terrestrial habitats.
(c) The habitats of plants and animals that live in water are called aquatic habitats.
(d) Soil, water and air are the abiotic factors of a habitat.
(e) Changes in our surroundings that make us respond to them are called stimuli.
4. Which of the things in the following list are nonliving?
Plough, mushroom, sewing machine, radio, boat, water hyacinth, earthworm
Solution:
Plough, sewing machine, radio and boat are nonliving things
5. Give an example of a nonliving thing which shows any two characteristics of living things.
Solution:
Example: car
Features
- It can move like living beings
- It needs energy to do work
6. Which of the nonliving things listed below were once part of a living thing?
Butter, Leather, soil, wool, electric bulb, cooking oil, salt, apple, rubber
Solution:
Butter, Leather, wool, cooking oil, apple and rubber were once part of a living thing.
7. List the common characteristics of living things.
Solution:
Common characteristics of living things are as follows:
i) Respiration
ii) Food intake
iii) Respond to stimuli
iv) Excretion
v) Movement
vi) Reproduction
vii) Grow and die
8. Explain why speed is important for survival in the grasslands for animals that live there. (Hint: There are few trees or places for animals to hide in grassland habitats.)
Solution:
Speed is important for survival in the grasslands for animals to avoid predation from their predators. For example, a tiger eats deer; to survive, the deer has to run faster than the tiger.
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Key Topics Covered in Chapter 6: The Living Organisms – Characteristics and Habitats
- Characteristics of Living Organisms
- Growth: Living organisms grow by increasing in size or developing new structures.
- Reproduction: The ability to produce offspring to continue their species.
- Respiration: The process of obtaining energy by breaking down food.
- Sensitivity (Response to Stimuli): The ability to respond to changes in the environment.
- Movement: Living organisms show movement, which can be internal or external.
- Excretion: The process of removing waste products from the body.
- Habitat of Living Organisms
- A habitat is the natural environment where an organism lives and thrives. Different organisms adapt to their specific habitats, which provide food, shelter, and other survival needs.
- Types of Habitats
- Terrestrial Habitats: Includes forests, deserts, grasslands, and mountains.
- Aquatic Habitats: Includes freshwater (rivers, lakes) and marine (oceans, seas) environments.
- Aerial and Arboreal Habitats: Some organisms are adapted to live in trees (arboreal) or can spend time in the air (aerial).
- Adaptations of Organisms
- Structural Adaptations: Physical features that help organisms survive (e.g., thick fur in polar animals).
- Behavioral Adaptations: Actions or behaviors that aid survival (e.g., migration of birds).
- Physiological Adaptations: Internal body processes that support survival (e.g., the ability to conserve water in desert animals).
- Different Organisms and their Habitats
- Each habitat supports different kinds of organisms with unique adaptations suited to that environment. For example, cacti and camels are adapted to survive in deserts, while fish and corals are adapted to aquatic life.
RBSE Class 6 Science Chapter 6 Solutions
Q1. What are the main characteristics of living organisms?
- Answer: The main characteristics of living organisms include growth, reproduction, respiration, response to stimuli, movement, and excretion.
Q2. Define habitat.
- Answer: A habitat is the natural environment in which an organism lives, grows, and reproduces. It provides the necessary conditions for its survival, such as food, water, and shelter.
Q3. What are terrestrial habitats? Give examples.
- Answer: Terrestrial habitats are land-based habitats, including forests, deserts, grasslands, and mountains. Organisms in these habitats have adaptations suited to land environments.
Q4. What is adaptation? Why is it important?
- Answer: Adaptation is a characteristic that helps an organism survive in its habitat. It is important because it allows organisms to thrive and reproduce successfully in their specific environments.
Q5. Name two animals adapted to live in aquatic habitats and describe their adaptations.
- Answer:
- Fish: Have gills to extract oxygen from water, fins for swimming, and streamlined bodies to move easily in water.
- Frogs: Have webbed feet for swimming and lungs to breathe on land, enabling them to live both in water and on land.
FAQs for RBSE Class 6 Science Chapter 6
1. What makes a habitat suitable for an organism?
A habitat must provide food, water, shelter, and suitable climate conditions for an organism to thrive and reproduce.
2. How do desert animals adapt to their environment?
- Desert animals adapt by having features like water storage (e.g., camels) and nocturnal behavior to avoid daytime heat.
3. What are the two types of aquatic habitats?
- The two types of aquatic habitats are freshwater habitats (e.g., rivers, lakes) and marine habitats (e.g., oceans, seas).
4. Why is adaptation essential for survival?
- Adaptation is essential because it helps organisms survive in specific environments, protecting them from predators, extreme climates, and other challenges.
5. What are structural and behavioral adaptations?
- Structural adaptations are physical features (e.g., thick fur). Behavioral adaptations are actions (e.g., migration) that improve survival.
Conclusion
Chapter 9 of RBSE Class 6 Science introduces students to the characteristics that define living organisms and the diverse habitats they occupy. By learning about different adaptations and survival mechanisms, students gain an appreciation for the diversity of life on Earth and the importance of the environment for each species. This foundation is essential for understanding ecology and environmental science in higher studies.