Which of the following best describes a heritable adaptation brought about by natural selection?

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

The cluster of developing cells from conception until birth is called an

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast