Food chains and webs

Question 1

How come a secondary consumer doesn’t receive all the energy from it’s prey?

Answer 1

-Some energy is lost through urine
-Energy is lost through feces
-Some parts of the prey are indigestible e.g. teeth, hair
-Heat energy is lost to the surroundings

Question 2

Food webs

Answer 2

Food webs are interdependent, if one species changes it affects all the others