The sperm and egg cells in humans only have 23 single chromosomes.
True or false

True

Explanation:

The sperm shares the genetic code of the man; the egg shares the genetic code of the woman. It is only in combination, when the 23 chromosomes from the father join the 23 chromosomes from the mother, through fertilization, that a new, biologically-distinct human beings comes into existence.

cell division is not regulated in tumor cells.

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.