Answer:
Organism- A living thing.
Population- The amount of Organisms in a certain species.
Biological community- The species and others in a certain biome
Ecosystem- The entire biome itself
Biome- A type of landform with its own features and geography.
Answer: When a plant is exposed to light, photons of appropriate wavelength will strike and be absorbed by the pigment-protein complexes arrayed on the thylakoid membranes. When this happens, the energy of the photon is transferred to the pigment molecule, thus causing the pigment to go into an electronically excited state. :)
Explanation: