AP BIOLOGY

ANIMAL PHYSIOLOGY

EXCRETION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Excretion is the removal of undigested matter and is harmful to the body when the undigested matter is accumulated to a toxic level.
A
True
B
False
Explanation: 

Detailed explanation-1: -Removal of faeces or undigested food from the body is not an example of excretion because undigested food is not a product of metabolism. Metabolic activities generate nitrogenous waste that has to be removed from the body.

Detailed explanation-2: -The process of removing all toxic or harmful substances from the body of an organism is termed excretion.

Detailed explanation-3: -Egestion is the process of eliminating undigested waste products and food from an organism’s body.

Detailed explanation-4: -The materials discharged during the process of Egestion are undigested matter leftover from the process of digestion. Excretion, on the other hand, discharges metabolic waste products. This is the main Difference Between Egestion And Excretion.

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