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
In the wild, caterpillar typically have a 2% survival rate, which means that for every 100 eggs a female butterfly or moth lays, only two will survive to maturity. This is due to the large number of predators who list caterpillars as a food source.