On earth, energy? a.) cycles back and fourth through many systems. b.) comes in as light and leaves as heat. c.) comes in as heat and leaves as as light. d.) is constantly destroyed and must be regenerated.

Which statement is true about cell differentiation? cell differentiation happens in all cells. results in two new identical daughter cells. causes cells to change type and become specialized. occurs during cell division.

How are cellular respiration and photosynthesis different? cellular respiration assists breathing; photosynthesis aids pigmentation. cellular respiration breaks down glucose; photosynthesis creates glucose. cellular respiration creates glucose; photosynthesis breaks down glucose. cellular respiration releases oxygen; photosynthesis releases carbon dioxide.

Does masterbation affect height growth or loss of growth hormone?