Unit 2 - Early Life Vocab

Front

Abiogenesis

Back

Formation of life from inanimate materials.

Front

Earth's atmosphere originated from:

Back

Volcanic eruptions and comet impacts

Front

Comets

Back

Provided water

Front

Cyanobacteria

Back

Single-celled organism that used photosynthesis.

Front

Oxygen

Back

Came from cyanobacteria

Front

Bacteria

Back

The first organism

Front

Living organisms developed

Back

100 million years after Earth formed

Front

Habitable zone

Back

Due to Earth's orbit around the sun

Front

Oceans tides

Back

Created by the moon

Front

Cyanobacteria developed

Back

3 billion years ago