Most of the world's petroleum can be attributed to a large sea circumnavigating the Earth during this period by causing a 15-20 degree temperature increase, which led to massive blooms of algae becoming petrol in fossil form.
Most of the world's petroleum can be attributed to a large sea circumnavigating the Earth during this period by causing a 15-20 degree temperature increase, which led to massive blooms of algae becoming petrol in fossil form. Towards the end of this period, cycad plants began to die out while angiosperms began to flourish along with their co-evolutionary partners, bees. Ceratopsian dinosaurs first evolved in this period along with the largest carnivorous dinosaurs, the tyrannosaurs. For 10 points, identify this last period of the Mesozoic Era that ended 65 million years ago with the second largest mass extinction of all time.
Most of the world's petroleum can be attributed to a large sea circumnavigating the Earth during this period by causing a 15-20 degree temperature increase, which led to massive blooms of algae becoming petrol in fossil form.
{Cretaceous} Period