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NCERT Solutions for Class 6 Science - The Living Organisms - Characteristics & Habitats

Q1. What is a habitat?
Ans: Habitat means a place to live (a home). The surroundings where organisms live is called a habitat. The organisms depend for their food, water, air, shelter and other needs on their habitat. Several kinds of plants and animals may share the same habitat.

Different HabitatsDifferent Habitats


Q2. How are cactus adapted to survive in a desert?
Ans: 

  • Cactus lose very little water through transpiration. The leaves in cactus plants are present in the shape of spines. This helps in reducing the loss of water from the leaves through transpiration. 
  • Its stem is converted into a leaf-like structure. Photosynthesis in these plants is usually carried out by the stems. 
  • The stem is also covered with a thick waxy layer, which helps to retain water. Cactus plants have roots that go very deep into the soil for absorbing water. 

Cactus PlantCactus Plant
Q3. Fill up 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 __________ habitat.
(d) Soil, water and air are the __________ factors of a habitat.
(e) Changes in our surroundings that make us respond to them, are called__________.
Ans:
(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.


Q4. Which of the things in the following list are nonliving? 
Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earthworm
Ans: Plough, sewing machine, radio and boat are nonliving things


Q5. Give an example of a non-living thing, which shows any two characteristics of living things.
Ans: Bus and Machine.
Characteristics

  • It can move like living beings
  • It needs the energy to do work

NCERT Solutions for Class 6 Science - The Living Organisms - Characteristics & Habitats


Q6. Which of the non-living things listed below, were once part of a living thing? 
Butter, Leather, Soil, Wool, Electric bulb, Cooking oil, Salt, Apple, Rubber 
Ans: Butter, Leather, wool, cooking oil, apple and rubber were once part of a living thing.


Q7. List the common characteristics of the living things. 
Ans: Living things have certain common characteristics — 

  • They need food.
  • They respire and excrete.
  • Respond to their environment.
  • Reproduce
  • Grow and show movement.


Q8. 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 grasslands habitats.)
Ans: In the grasslands, there are less number of trees and places to hide. The animals are vulnerable to predators (e.g., lions, tigers, wolves, etc.). They can only survive and escape if they can run faster. Therefore, speed is important for survival in the grasslands for animals (e.g., deer) that live there.

The document NCERT Solutions for Class 6 Science - The Living Organisms - Characteristics & Habitats is a part of the Class 6 Course Science Class 6.
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FAQs on NCERT Solutions for Class 6 Science - The Living Organisms - Characteristics & Habitats

1. What are the characteristics of living organisms?
Ans. Living organisms have the following characteristics: 1. They are composed of one or more cells. 2. They show organization and complexity at various levels. 3. They have the ability to grow and reproduce. 4. They respond to stimuli from their environment. 5. They maintain homeostasis. 6. They acquire and use energy. 7. They are capable of adaptation and evolution.
2. What are the different habitats of living organisms?
Ans. Living organisms can be found in different habitats such as: 1. Terrestrial habitats - land-based habitats like forests, deserts, grasslands, etc. 2. Aquatic habitats - water-based habitats like oceans, rivers, lakes, etc. 3. Aerial habitats - air-based habitats like sky, upper atmosphere, etc. 4. Subterranean habitats - underground habitats like burrows, caves, etc.
3. How do living organisms adapt to their habitats?
Ans. Living organisms adapt to their habitats in various ways such as: 1. Physiological adaptations - changes in the internal body functions to cope with environmental conditions. 2. Behavioral adaptations - changes in their behavior to cope with the environmental conditions. 3. Structural adaptations - changes in their physical structure to cope with the environmental conditions. 4. Biochemical adaptations - changes in their metabolic pathways to cope with the environmental conditions.
4. What is the importance of a habitat for living organisms?
Ans. Habitat is important for living organisms because: 1. It provides a suitable environment for the survival and growth of living organisms. 2. It provides food, water, and shelter for living organisms. 3. It supports the ecosystem and maintains the balance of nature. 4. It regulates the climate and weather conditions in the area.
5. What is the significance of studying the characteristics and habitats of living organisms?
Ans. Studying the characteristics and habitats of living organisms is significant because: 1. It helps to understand the diversity of life on Earth. 2. It helps to understand the interdependence of living organisms and their environment. 3. It helps in the conservation and management of natural resources. 4. It provides insights into the evolution of living organisms.
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