BYA (billions of years ago) Flashcards by Lance Barker | Brainscape

Q

Big Bang

A

13.7 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Milky Way formed

A

9.0 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Solar system formed

A

4.5 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oldest rocks on earth

A

4.0 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Life on earth begins

A

3.8 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Photosynthesis

A

3.0 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxygenation of Earth’s atmosphere

A

2.8 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

First known (Huronian) ice age

A

2.4 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

First multi-cellular life on Earth

A

1.5 BYA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly