What type of reaction occurs when chlorophyll breaks down into new substances?

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

What is the importantence of the carbon and nitretan cycles in the environment