Biology 2 week 2

This is a record of life forms and geological events in Earth's history.

• Geologic Time Scale

• Class Record

• Geology Record Book

• Geology Map

These are remnants, impression, or trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.

• Rocks

• Fossils

• Bacteria

• Microorganism

An Era considered as the ancient life, where invertebrates dominated.

• Precambrian

• Cenozoic Era

• Mesozoic Era

• Paleozoic Era

It is the largest division of the geologic time scale.

• Era

• Eon

• Period

• Epoch

This is an age where first photosynthetic organism emerged.

• Hadean

• Proterozoic

• Archean

• Mesozoic

A period under Paleozoic Era that where primitive animals called sponges evolved.

• Ordovician

• Cambrian

• Silurian

• Devonian

In this period under Paleozoic Era, the first amphibians emerge and there was a widespread forest of huge plants.

• Silurian Period

• Cambrian Period

• Devonian Period

• Carboniferous Period

This is the Period under Paleozoic Era where the first fish evolved.

• Silurian

• Cambrian

• Ordovician

• Devonian

This is the Period under Paleozoic Era where corals and vascular plants appeared.

• Devonian Period

• Silurian Period

• Ordovician Period

• Cambrian Period

In this period under Paleozoic Era, the first seed and fish with lobe fins evolved.

• Silurian Period

• Cambrian Period

• Devonian Period

• Ordovician Period