In {external fertilization, internal fertilization,
conjugation, or pollination}
mating partners come close to one another and release eggs and sperm.

Explanation External fertilization is characterized by the release sperm and eggs into In fertilization protects the fertilized egg or embryo from predation an Ovoviparity is characterized by an organism retaining a fertilized egg

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.