It has been proposed that mitochondria and chloroplast are modern descendants of early prokaryotic cells that began to reside and gradually evolve in with primitive cells

What is the phylum of soft bodied animals with a true bosy cavity and a three part body consisting of a foot visceral mass and a mantle

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

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