Biology
Organisms that feed on the excreta of other organisms are called

Saprotrophs
Coprophagous
Heterotrophs
Autotrophs

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Biology
Normal adult human male has

14 gram of haemoglobin/100 gram of blood
24 gram of haemoglobin/100 gram of blood
18 gram of haemoglobin/100 gram of blood
10 gram of haemoglobin/100 gram of blood

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