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Crossword Puzzle
Crossword Puzzle

Cronología de la Tierra y sus eras

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Cronología de la Tierra y sus eras
 

Crossword Puzzle

Cronología de la Tierra y sus erasOnline version

Descubre términos clave sobre la historia de la Tierra.

by Saray Orjuela
1

Eón más antiguo de la Tierra, cubre desde la formación hasta el inicio de la vida compleja.

2

Período inicial con formación terrestre y bombardeo meteórico intenso.

3

Época con aparición de las primeras células y atmósfera sin oxígeno.

4

Período de aumento de oxígeno y desarrollo de grandes continentes.

5

Era con diversidad de vida visible y subdividida en múltiples eras.

6

Primera gran era de vida marina, con vertebrados y vida terrestre.

7

Periodo de explosión temprana de biodiversidad marina.

8

Antiguo supercontinente formado por la unión de varios landmasses.

4
5
2
8
1
6
7
 
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