How do organisms get the energy they need? by burning food molecules and releasing their energy as heat by breathing oxygen into the lungs and combining it with carbon dioxide by breaking down food molecules gradually and capturing their chemical energy by using the sun's energy to break down food molecules and form chemicals?

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.