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Chapter 16 Quest
Chapter 16 plus geological history dates
28
Biology
9th Grade
01/31/2008

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Cards

Term
What are the dates for the beginning and end of the Cenozoic era?
Definition
65 MYA to present
Term
What does the term Cenozoic mean?
Definition
New Animals
Term
What are the dates for the beginning and end ot the Mesozoic era?
Definition
245 MYA to 65 MYA
Term
What does Mesozoic mean?
Definition
Middle animals
Term
What are the dates for the beginning and end of the Paleozoic era?
Definition
545 MYA to 245 MYA
Term
What does Paleozoic mean?
Definition
Old Animals
Term
What are the dates for the beginning and end of the precambrian era?
Definition
4600 MYA to 550 MYA
Term
What does precambrian mean?
Definition
before the cambrian (wasn't that an intense definition)
Term
When was the earth formed?
Definition
4600 MYA
Term
How old are the oldest rocks on earth?
Definition
4200 million years
Term
How long ago didn the coeans approach their current volume?
Definition
3600 MYA
Term
How long ago didn the coeans approach their current volume?
Definition
3600 MYA
Term
How long ago didn the coeans approach their current volume?
Definition
3600 MYA
Term
How old are the oldest prokaryote fossils?
Definition
3500 million years old
Term
When did oxygen gas begin to accumulate in the atmosphere
Definition
2700 MYA
Term
When did oxygen gas begin to accumulate in the atmosphere
Definition
2700 MYA
Term
How old are the oldest eukaryote fossils?
Definition
2200 million years
Term
When was the cambrian explosion?
Definition
545 MYA
Term
When did the first amphibians evolve?
Definition
350 MYA
Term
When did the first reptiles evolve?
Definition
300 MYA
Term
When did the first mammals evolve?
Definition
250 MYA
Term
When did the first flowering plants evolve?
Definition
100 MYA
Term
WHen did the dinosaurs go extinct (there was also a major mammal radiation at this time)?
Definition
65 MYA
Term
When did the first primates evolve?
Definition
30 MYA
Term
When did the first bipedal hominids evolve?
Definition
4 MYA
Term
When did the first bipedal hominids evolve?
Definition
4 MYA
Term
When did hominids begin using tools?
Definition
2 MYA
Term
When did hominids first come out of Africa?
Definition
0.1 MYA
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