fossils vocab

the preserved remains of plants and animals whose bodies were buried in sediments, such as sand and mud, under ancient seas, lakes and rivers.

• 1. Index Fossil

• 1. Fossil

• 1. Molds

• casts

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

formed from pre-existing rocks or pieces of once-living organisms.

• 1. Permineralization

• 1. Ammonites

• 1. Sedimentary Rocks

• 1. Relative Age

Tags

NGSS.MS-ESS2-2

marine animals belonging to the phylum Mollusca and the class Cephalopoda.

• molds

• 1. Trace Fossil

• casts

• 1. Ammonites

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

layered deposit, mainly of limestone, formed by the growth of blue-green algae

• 1. Stromatolites

• 1. Relative Age

• molds

• 1. Law of Superposition

Tags

NGSS.HS-LS2-5

geological records of the activities and behaviors of past life.

• casts

• 1. Geologic Time Scale

• 1. Trace Fossil

• 1. Carbonization

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

the remains of plants and animals that lived for a limited period.

• 1. Petrification

• 1. Index Fossil

• 1. Absolute Age

• 1. Stromatolites

holds a broken bone (fracture) in place and prevents the area around it from moving as it heals.

• 1. Trace Fossil

• 1. Casts

• molds

• 1. Fossil Record

microscopic fungi that live on plant or animal matter.

• casts

• 1. Burrows

• molds

• 1. Replacement

Tags

NGSS.MS-LS2-3

the age of a rock layer (or the fossils it contains) compared to other layers.

• 1. Geologic Time Scale

• 1. Relative Age

• 1. Absolute Age

• 1. Sedimentary Rocks

Tags

NGSS.MS-ESS1-4

the numeric age of a layer of rocks or fossils.

• 1. Permineralization

• 1. Fossil Record

• Absolute Age

• 1. Stromatolites

Tags

NGSS.MS-ESS1-4