According to the theory developed by charles darwin, what process causes organisms to develop traits that them adapt to changes in their environment?

a.
homeostasis

b.
artificial selection

c.
succession

d.
natural selection

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules