- What are the 4 eras? From earliest to most recent.
- Which era was the longest? Shortest?
- How long ago and during what era did the first life appear?
- What was the Cambrian Explosion?
- When did eukaryotes evolve?
- What is a trilobite?
- The dominant life forms during the Jurassic were……
- In which era did humans evolve? How long ago did humans appear?
- What was the order of life forms to evolve? From the first to the most recent?
- What patterns do you see in the timeline? (Multiple answers to this question!)
- What geographical or climate changes occurred?
- How do these geographical/climatic events relate to life forms that evolve?
- The earth is 4.6 billion years old and the first fossil evidence of life does not
appear until 3.5 billion years ago. Why is there no evidence from before that?
- How do scientists know the order of how these life forms evolved?
- What are the 4 eras? From earliest to most recent.
- Which era was the longest? Shortest?
- How long ago and during what era did the first life appear?
- What was the Cambrian Explosion?
- When did eukaryotes evolve?
- What is a trilobite?
- The dominant life forms during the Jurassic were……
- In which era did humans evolve? How long ago did humans appear?
- What was the order of life forms to evolve? From the first to the most recent?
- What patterns do you see in the timeline? (Multiple answers to this question!)
- What geographical or climate changes occurred?
- How do these geographical/climatic events relate to life forms that evolve?
- The earth is 4.6 billion years old and the first fossil evidence of life does not
appear until 3.5 billion years ago. Why is there no evidence from before that?
- How do scientists know the order of how these life forms evolved?
- What are the 4 eras? From earliest to most recent.
- Which era was the longest? Shortest?
- How long ago and during what era did the first life appear?
- What was the Cambrian Explosion?
- When did eukaryotes evolve?
- What is a trilobite?
- The dominant life forms during the Jurassic were……
- In which era did humans evolve? How long ago did humans appear?
- What was the order of life forms to evolve? From the first to the most recent?
- What patterns do you see in the timeline? (Multiple answers to this question!)
- What geographical or climate changes occurred?
- How do these geographical/climatic events relate to life forms that evolve?
- The earth is 4.6 billion years old and the first fossil evidence of life does not
appear until 3.5 billion years ago. Why is there no evidence from before that?
- How do scientists know the order of how these life forms evolved?
- What are the 4 eras? From earliest to most recent.
- Which era was the longest? Shortest?
- How long ago and during what era did the first life appear?
- What was the Cambrian Explosion?
- When did eukaryotes evolve?
- What is a trilobite?
- The dominant life forms during the Jurassic were……
- In which era did humans evolve? How long ago did humans appear?
- What was the order of life forms to evolve? From the first to the most recent?
- What patterns do you see in the timeline? (Multiple answers to this question!)
- What geographical or climate changes occurred?
- How do these geographical/climatic events relate to life forms that evolve?
- The earth is 4.6 billion years old and the first fossil evidence of life does not
appear until 3.5 billion years ago. Why is there no evidence from before that?
- How do scientists know the order of how these life forms evolved?