Iam not a whole cell, but rather i am a very small, irregularly shaped particle that promotes blood clotting (in purple) and wound healing, where over a trillion of us exist in the average human blood. i am a:

The correct answer is platelets or thrombocytes.

Platelets are a component of blood whose function together with the coagulation factors is to initiate a blood clot after the injury. Even though platelets are not cells, they are fragments of cytoplasm derived from the megakaryocytes. Platelets are found only in mammals.

where is the scientific experiment?

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.