A rabbit’s intestine helps it digest cellulose, which is a time-consuming and complex process. To digest cellulose, rabbits require enzymes produced by bacteria living in their intestines. These bacteria break down the cellulose for the herbivore.

Which of the following is an accurate statement about the survival needs of both rabbits and the bacteria that live in the rabbits' intestines?


(A)
Both the bacteria and rabbits need water and nutrients, and both must eliminate wastes.

(B)
Both the bacteria and rabbits need water and nutrients, but the bacteria do not need to eliminate wastes, while rabbits do.

(C)
Both the bacteria and rabbits need nutrients, but the bacteria do not need water, while rabbits do.

(D)
Only rabbits need nutrients and water; the bacteria do not need nutrients or water.

Respuesta :

Answer: A

Explanation: A rabbit and bacteria are both living so following MRSGREN they both must obtain nutrients and water and get rid of waste.

The relationship between rabbit intestine and bacteria can be demonstrated by the statement: (A)  Both the bacteria and rabbits need water and nutrients, and both must eliminate wastes.

  • Cellulose is a complex polysaccharide whose digestion requires time to break many bonds present in its structure.
  • The bacteria living in the intestine works in mutual association with the digestive system of the rabbit.
  • Water and nutrients are the basic requirements for both bacteria and rabbit for survival.
  • Hence, options B, C, and D are incorrect.
  • Bacteria within the rabbit's intestine will help in break down of complex cellulose thus will help in its digestion also water is necessary for this process as it helps in break down of cellulose bonds.
  • Bacteria can also obtain nutrients from the matter so produce after the digestion of cellulose and water.
  • In this biochemical process, bacteria and rabbit will also expel their metabolic wastes.

Hence, option A is correct.

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