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
Extinction. 1  The first one is about their incapability of hunting smaller and faster animals. Therefore, when larger species started to go extinct, the saber-toothed tiger perished too. 2  The second hypothesis is associated with climate changes that might have led to the extinction of mammoths and giant deer.