New species can form when the original population becomes isolated from the other members of the same population. An example of how a
species becomes isolated due to breeding occurring at different times
(ex. different seasons, time of day) is called:
Geographic Isolation
Temporal Isolation
O
Ecological Isolation
Behavioral Isolation

2%? i tried finding the exact sorry if it's not 100% correct ; -;

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.