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My crossword blake
12
relative dating:to tell if something is younger or older than an object
absolute dating: finding out the exact date of an object
geologic time scale: dividable the eras of earth
extinct: a species is completely is gone
plate tectonics:huge plates that move on earth
Precambrian time: time era of from 4.6 billion to 543 million years ago
Paleozoic era: the era of 543 million years to 284 million years ago
Mesozoic era: the era that lasted 284 million years to 183 million years ago
Cenozoic era: the currant era we live in
primates:have opposable thumbs and binocular vision
hominid: have bipedalism long lower limbs and no tail
homo sapiens: the species of hominids includes us
My crossword blake
Across:3. | have opposable thumbs and binocular vision | 6. | have bipedalism long lower limbs and no tail | 7. | a species is completely is gone | 8. | the era that lasted 284 million years to 183 million years ago | 10. | the era of 543 million years to 284 million years ago | 11. | huge plates that move on earth | 12. | to tell if something is younger or older than an object |
| | Down:1. | time era of from 4.6 billion to 543 million years ago | 2. | the species of hominids includes us | 4. | finding out the exact date of an object | 5. | dividable the eras of earth | 9. | the currant era we live in |
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© 2012
PuzzleFast.com, Noncommercial Use Only
My crossword blake
Across:3. | have opposable thumbs and binocular vision | 6. | have bipedalism long lower limbs and no tail | 7. | a species is completely is gone | 8. | the era that lasted 284 million years to 183 million years ago | 10. | the era of 543 million years to 284 million years ago | 11. | huge plates that move on earth | 12. | to tell if something is younger or older than an object |
| | Down:1. | time era of from 4.6 billion to 543 million years ago | 2. | the species of hominids includes us | 4. | finding out the exact date of an object | 5. | dividable the eras of earth | 9. | the currant era we live in |
| |
© 2012
PuzzleFast.com, Noncommercial Use Only