Answer:
Probably B
Explanation:
They all explain it, honestly, but B sounds the least like an answer they would accept as true. It's also kind of sus that they have 2 different answers about reacting differently to stress, and B is definitely the least likely of the two to be correct. Sorry I couldn't be more helpful, I'm only here because I searched for the answer myself. Good luck.
Number 4 should be mitosis
Can a complex organism interbreed with a simple organism?
Answer: It is a chemical change
Explanation:
Photosynthesis and respiration are the opposite processes, basically speaking. Photosynthesis gets its name from light-dependent reactions, which involve photolysis of water (breakdown of H2O into oxygen and hydrogen), and then combining hydrogen with small sugar molecules, while also incorporating CO2 into them.