Micrococcus luteus is a Gram-positive, to Gram-variable, nonmotile, Coccus, saprotrophic bacterium that belongs to the family Micrococcaceae. It is urease and catalase positive.
Why is a mammoth more likely to fossilize than a caterpillar? A mammoth is more likely to fossilize than a caterpillar because a caterpillar has no hard tissue. Bones and cartilage are much more likely to fossilize. Edit
But sadly, the mammoths did not reproduce quickly enough to replenish the herds. It never occurred to the two inventors that there would ever be a time when the mammoth would not be there. They exported their new technology to the other tribes and overkill became the word of the day.