Man is the ultimate _____.

creature
producer
mammal
consumer
entrepreneur

creature

An enormous amount of energy is needed to feed one person because _____.

A)man's overweight situation requires more energy than other species
B)man is the biggest producer
C)man wastes too much energy
D)man is a top level consumer
E)man produces all the food

D) man is a top level consumer.

Man is the ultimate creature, as humans are unique in their ability to think, reason, and create.