Which of the following forms a protective covering for the stem of grass below the leaf blade? auricle

ligule

collar

sheath

a physical change is being made.

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.

answer///(c) the maximum number of organisms an environment can support for a long time; i believe this is correct, plz check luck;