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Crossword Puzzle
Crossword Puzzle

Crucigrama Silúrico y Devoniano

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Crucigrama Silúrico y Devoniano
 

Crossword Puzzle

Crucigrama Silúrico y DevonianoOnline version

Crucigrama sobre Silúrico y Devonico

by Alexander Mejia
1

periodo en el que la vida salió por primera vez del agua a la tierra firme.

2

capa de la atmósfera que protege a los seres vivos de la radiación del Sol.

3

primeros seres vivos que colonizaron la tierra firme en el Silúrico.

4

invertebrados de muchas patas, parientes de los ciempiés, de los primeros en salir del agua.

5

de los primeros animales terrestres que salieron del mar en el Silúrico.

6

parte que apareció en los primeros peces que podían morder y cazar.

7

estructuras marinas construidas por organismos en aguas cálidas y poco profundas.

8

periodo conocido como "la edad de los peces".

9

grupo de animales que dominó los mares durante el Devónico.

10

peces acorazados con placas óseas en la cabeza y el cuerpo.

11

depredadores marinos que aparecieron por primera vez en el Devónico.

12

vertebrados de cuatro patas; los primeros salieron del agua en el Devónico.

13

primeros vertebrados que vivían entre el agua y la tierra.

14

los primeros de la historia se formaron en el Devónico.

15

estructuras que permitieron a las plantas reproducirse lejos del agua.

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