Answer:
	 The process of taking in oxygen and giving out carbon-dioxide (inhalation and exhalation of air) is called breathing.
 
   
 
	
	Living Organisms and Surroundings
 
 
 	Q 1.
  
 	Name a few habitats.
 	
 
 
 	Q 2.
  
 	Name some aquatic habitats.
 	
 
 
 	Q 3.
  
 	Give two examples of each biotic and abiotic components.
 	
 
 
 
 	Q 5.
  
 	Do plants also excrete?
 	
 
 
 	Q 6.
  
 	What do you mean by term adaptation?
 	
 
 
 	Q 7.
  
 	What kind of movement do we see in plants?
 	
 
 
 	Q 8.
  
 	Name few terrestrial habitats.
 	
 
 
 
 
 
 	Q 12.
  
 	Why do we need abiotic factors?
 	
 
 
 	Q 13.
  
 	Which of the things in the following list are non-living?
 	
 
 
 	Q 14.
  
 	What are predators?
 	
 
 
 	Q 15.
  
 	Does adaptation take place in a short time?
 	
 
 
 
 	Q 17.
  
 	Which of the following non-living things were once part of a living thing?
Butter, Leather, Soil, Wool, Electric Bulb, Cooking Oil, Salt, Apple, Rubber.
 	
 
 
 	Q 18.
  
 	What is respiration?
 	
 
 
 	Q 19.
  
 	What are the differences in the desert and sea regions?
 	
 
 
 	Q 20.
  
 	Name two examples of aerial habitat animals.
 	
 
 
 	Q 21.
  
 	What is the main Junction of food?
 	
 
 
 	Q 22.
  
 	What is reproduction?
 	
 
 
 	Q 23.
  
 	Name two organisms that live in deserts.
 	
 
 
 	Q 24.
  
 	What is the function of gill?
 	
 
 
 	Q 25.
  
 	Name two terrestrial organisms.
 	
 
 
 	Q 26.
  
 	What do you mean by germination of seeds?
 	
 
 
 
 	Q 28.
  
 	Name the animal which is called the ship of desert.
 	
 
 
 	Q 29.
  
 	Name two aquatic animals.
 	
 
 
 
 	Q 31.
  
 	Explain the characteristics oflimng organisms.
 	
 
 
 	Q 32.
  
 	Explain the features offish which help it to adapt to live in water.
 	
 
 
 	Q 33.
  
 	Write the difference between living and non-living things.
 	
 
 
 	Q 34.
  
 	What is photosynthesis?
 	
 
 
 	Q 35.
  
 	Name a few plants that live in ponds.
 	
 
 
 
 	Q 37.
  
 	Explain the adaptation of plants to live in water.
 	
 
 
 	Q 38.
  
 	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).
 	
 
 
 	Q 39.
  
 	Name a common thing in all fishes.
 	
 
 
 	Q 40.
  
 	What do you mean by acclimatisation?
 	
 
 
 	Q 41.
  
 	What are blowholes?
 	
 
 
 	Q 42.
  
 	Do plants also move?
 	
 
 
 	Q 43.
  
 	How are camels adapted to live in desert?
 	
 
 
 	Q 44.
  
 	Frogs can live both on land and in water, name the adaptations seen in these animals.
 	
 
 
 	Q 45.
  
 	Fill in the blanks:
(a) The presence of specific features which enables 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 _________________ habitats.
(c)The habitats of plants and animals that live in water are called ____________________ habitats.
(d) Soil, water and air are the____________ factors of a habitats.
(e) Changes in our surroundings that make us respond to them are called
 	
 
 
 	Q 46.
  
 	Name various types of habitat.
 	
 
 
 	Q 47.
  
 	Give an example of a non-living thing which shows any two characteristics of living thing.
 	
 
 
 	Q 48.
  
 	Name the habitat where various types of fish live.
 	
 
 
 	Q 49.
  
 	Explain the adaptation of trees to live in mountain regions.
 	
 
 
 	Q 50.
  
 	Explain the adaptation of animals to live in mountain region.