What shows the organism structures change over generations this is science work btw

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory