Changing the pendulum design after the first trial was an example of to solve the problem presented by the teacher. a) designing the model b) evaluating the model c) identifying the problem d) doing research on the problem

The term autotroph refers to an organism that: a. uses co2 for its carbon source. b. must obtain organic compounds for its carbon needs. c. gets energy from sunlight. d. gets energy by oxidizing chemical compounds. e. does not need a carbon source