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Class 7|| Science|| Nutrition in Animals

Answer. Animal nutrition includes nutrient requirements, mode of intake of food, and its utilization in the body.

What is digestion?

Answer. Digestion refers to the process of breaking down complex food components into simpler substances.

What are the different ways of taking food?

Answer. Different organisms have unique methods of consuming food. Bees and hummingbirds extract nectar from flowers, while human infants and many other young animals nourish themselves with their mother’s milk. Snakes swallow their prey whole. Aquatic creatures often filter small food particles from the water around them to sustain themselves.

Name the mode of taking food by the following animals or insects
Snail
Ant
Eagle
Humming-bird
Lice
Mosquito
Butterfly
House fly

Answer. 

  1. Snail               ———-Scraping 
  2. Ant                ———- Scraping 
  3. Eagle                 ——–Capturing and swallowing 
  4. Humming-bird——— Sucking 
  5. Lice           ————– Sucking 
  6. Mosquito        ———- Sucking 
  7. Butterfly        ———– Siphoning
  8. House fly ——               Brewing 

What is sponging?

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