Insect Evolution

Crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
    1         2    3   
              
   4             
 5           6      
              
              
7                
              
              
    8            
              
   9             
              
 10               

Across:

1. Insects developed soon after these appeared on land
4. These allow wings to bend at the base and fold back
6. It is easier for insects with flexons to ______ .
7. Means "new wing"
8. Means "without wings"
9. Apterygotes have this type of development
10. Process of growing through a series of molts

Down:

1. Means "old wing"
2. This group of insects of insects include crickets, grasshoppers, and roaches
3. Common ancestor of all insects
5. Wings attach to the body at the Articulary __________ .