It has an incredible biodiversity including savannah, grasslands, thornveld and
tall acacia trees.
The standard theory of evolution is that animals that randomly inherited genes that produced beneficial traits — in the case of the giraffe, a longer neck, which made it easier to reach
tall acacia trees — ate better, reproduced more often and passed these gene variants to their offspring.
Not exact matches
His team calculated that the forces that fractured Lucy's upper arm were equal to a fall from a height of about 13.7 meters — as high as a four - story building or the top of a
tall tree, such as a mature
acacia tree — at a velocity of about 59 kilometers per hour.