What is an advantage of having organelles

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

Ascientific idea becomes valid when it is what?

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.