NCERT Solutions for Class 6 Science Chapter 9 The Living Organisms Characteristics And Habitats

Q1 ) what is habitat?

Answer :

The word 'habitat' means the living place of an organism. The habitat provides an organism with food, shelter and climate conditions best suited it to survive, breed and flourish. In other word we can say that the surrounding where plants and animals live, survive and reproduce is called their habitat.

Q2 ) How are cactus adapted to survive in a desert?

Answer :

Adaptation of cactus in desert:

(i) It has roots long that penetrate deep inside the soil in search water.
(ii) It has fleshy stems to store water the stem is also covered with the thick waxy layer that helps to retain water.
(iii) They loss their leaves Due to high temperature their leaves.
(iv) The Leaf is modified to spine to reduce transpiration.
(v) Photosynthesis is carried by the stems.

Q3 ) 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 ________ 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 _______ .

Answer :

(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 $terrestrial$ habitat.

(c) The habitats of plants and animals that live in water are called $aquatic$ habitat.

(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

Answer :

None living things does not need air, water and food so, 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.

Answer :

Example : Train
Feature: it need fuel like food
It can move like living beings

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

Answer :

Butter; butter is non-living, but it is made by milk and the cow gives milk and the cow is living the organism.

Leather; leather is non-living but it gets from animals and animals are living.

Wool; because wool is obtained from the ship. And ship is living the organism.

Cocking oil; it is obtained from plants. It is living.

Apple; it gets from plant. And plant is living the organism.

Rubber; it obtains by plants. Which is living the organism.

So required answer is Butter, Leather, Wool, Cocking oil, Apple, Rubber.

Q7 ) List the common characteristics of the living things.

Answer :

The Common characteristic of living things are given below
(i) Growth
(ii) Need food
(iii) Respiration
(iv) Response to stimuli
(v) Excretion
(vi) Reproduction
(vii) 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.)

Answer :

In order to save their life, animals have the need for speed. We know that the tiger eats deer. To survive the deer has to run faster than the tiger to save her life. Because the speed is most important for survival in grass land for any animal.