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 Habitats
Q2. How are cactus adapted to survive in a desert?
Ans:
Cactus 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
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 —
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.
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1. What are the characteristics of living organisms? |
2. What are the different habitats of living organisms? |
3. How do living organisms adapt to their habitats? |
4. What is the importance of a habitat for living organisms? |
5. What is the significance of studying the characteristics and habitats of living organisms? |
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