Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Fossils include A)--- of things B) --- replacing bodies of wood. |
A) imprint B) sediment |
Plant marking in rock from pressure |
|
|
The ------ time scale goes back 3,500 million years with 4 time periods. 🌎 |
Geological |
Earth time |
|
|
---------- tells a fossils age by the age of the rock it's in. |
Relitive dateing |
|
|
|
--------- looks at how much radioactive isotopes are still in the rock |
Carbon dateing |
|
|
|
The oldest fossils is of ------- it's 3.8 billion years old |
Bacteria |
Germs ew. |
|
|
------ structure gives evidence of evolution - most mammals have 5 fingers |
Homologous |
|
|
|
--------- structures give evidence of evolution |
Vegital structure |
Tonsils and apendix |
|
|
------- gives evidence of evolution |
Ebrioaligy |
|
|
|
All primates have opposable thumbs and ---------- for depth of perseption |
Binocular vision |
|
|
|
Lower primates like lemures are called prosimians and they are ------- |
Nocturnal |
|
|
|
--------- were bid brain primates that stood up about 4-6 million years ago |
Hominids |
|
|
|
------ =300,000 yr. Old |
Homosapiens |
Us today |
