Which of the following should be included in a good conclusion?

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

Ascientific idea becomes valid when it is what?

The effect of a hormone on a target cell may be decreased by the presence of