Answer:
1
Explanation:
Mostly because it was the BIGGEST thing that really happend during said event. The others happend yes but not as majorly as number 1.
Answer:
B. Octopus
Explanation:
Because octopus lack bone structure allowing it to maneuver easier and fit in tight spaces
When the organism dies in a moist or wet area the organism gets covered in mud and the mud hardens like a rock.