Which statement best describes energy entering the living world? a) solar energy to chemical energy

b) chemical energy to solar energy

c) solar energy to heat energy

d) heat energy to solar energy

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Types of scientific inquiry that biologist engage in that cannot be completely controlled