6. Different species are classified into different threat categories in the a. Red Data Book
b. Blue Data Book
c. Black Data Book
d. Yellow Data Book
7. WWF works in the field of
a. wildlife conservation
b. child labour
c. forest conservation
d. water conservation

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.