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Work Cited

http://www.ck12.org/life-science/Timeline-of-Evolution-in-Life-Science/lesson/Timeline-of-Evolution-MS-LS/

https://www.newscientist.com/article/dn17453-timeline-the-evolution-of-life/

http://academictips.org/blogs/timeline-of-life-evolution-on-earth/

http://www.bbc.co.uk/nature/history_of_the_earth

770 Billion Years Ago

  • The planet freezes over
  • "snowball Earth"

Fossils

Haylie Eells

  • Most fossils found are not of complete organisms.

https://www.newscientist.com/article/dn17453-timeline-the-evolution-of-life/

http://www.ck12.org/life-science/Timeline-of-Evolution-in-Life-Science/lesson/Timeline-of-Evolution-MS-LS/

MaKenna Moore

The Beginning of time

4.5 Billion Years Old

  • The Earth is a little over 4.5 billion years old
  • its oldest materials is zircon crystals.

https://www.newscientist.com/article/dn17453-timeline-the-evolution-of-life/

Haylie Eells

First Organisms

900 Billion Years Ago

  • Single-celled organisms go through a stage

  • Single-celled creatures that sometimes form colonies consisting of many individuals

  • All the single-celled organisms known to exist
  • The first life forms were single-celled organisms similar to bacteria.

https://www.newscientist.com/article/dn17453-timeline-the-evolution-of-life/

Haylie Eells

https://www.newscientist.com/article/dn17453-timeline-the-evolution-of-life/

MaKenna Moore

How long have our ancestors been around?

MaKenna Moore

Evolutionary Timeline

Our Ancestors

our ancestors have been around for about six million years

Definition

MaKenna Moore

https://www.newscientist.com/article/dn17453-timeline-the-evolution-of-life/

Evolution means the changes that occur in a population over time.

How long has there been life on Earth?

By: Makenna & Haylie

Makeenna Moore

The oldest known fossils are approximately 3.5 billion years old

MaKenna Moore

http://www.ck12.org/life-science/Timeline-of-Evolution-in-Life-Science/lesson/Timeline-of-Evolution-MS-LS/

1.5 Billion Years Ago

Youtube video

800 Billion Years Ago

Eukaryotes divide into three groups:

  • Ancestors of modern plants
  • Fungi
  • Animals split into separate lineages
  • Evolve separately
  • The early multicellular animals under go their first splits

  • First they divide into essentially

  • Sponges and everything else then being more formally known as the Eumetazoa

https://www.newscientist.com/article/dn17453-timeline-the-evolution-of-life/

Haylie Eells

https://www.newscientist.com/article/dn17453-timeline-the-evolution-of-life/

Haylie Eells

Evolutionary Timeline

by : Makenna & Haylie

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