using the geological timescale

This is a lystrosaurus. Fossils of this animals date from 247 million years ago. What era did it belong to?

• mesozoic

• cenozoic

• paleozoic

Tags

NGSS.MS-LS4-1

This fossil dates from 83 million years ago. what era does it belong to?

• mesozoic

• cenozoic

• paleozoic

Tags

NGSS.MS-ESS1-4

this fossil is attributed to be between the cambrian period and the permian period, what era did it belong to?

• mesozoic

• cenozoic

• paleozoic

Tags

NGSS.MS-ESS1-4

this fossil is very well presserved, it belongs to an animal that existed 2,500,000 years ago. what era does it belong to?

• mesozoic

• cenozoic

• paleozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

this skill belonged to an animal that existed 3 million years ago, what era did it belong to?

• mesozoic

• cenozoic

• paleozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

it is a hollow area in the sediment in the shape of an organism or part of an organisms.

• mold

• cast

• petrified fossil

• carbon films

• preserved remains

it is a solid copy of the organism. It happens when water deposit sediments in a mold.

• mold

• cast

• petrified fossil

• carbon films

• preserved remains

They are fossils in which minerals replace all of an organism or a part such a bone .

• mold

• cast

• petrified fossil

• carbon films

• preserved remains

It happens when gases escape from sediment leaving the carbon behind and eventually creating a film

• mold

• cast

• petrified fossil

• carbon films

• preserved remains

Entire organisms can be preserved when they get trapped in sticky tar or tree resin.

• mold

• cast

• petrified fossil

• carbon films

• preserved remains