What is the term used to refer to dna when it makes an exact duplicate of itself?

Which of the following is not a defining characteristic of plants?

In each transformation of energy , some energy what?

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.