The remains of extraterrestrial particles that are found on earth’s surface are called

Meteorites

Explanation:

A meteorite is a form of debris which comes from celestial objects such as comet, asteroid, or meteoroid and have separated from the parent object’s body and pass through the atmosphere to reach the surface of the planet  where they are considered as remains of celestial object.  

These remains can be used to study the  history and origin of its parent body.

the fossil record provides evidence of a common ancestor to many species.

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.