1. What type of mouth would a
image by Martin LaBar
organism need to feed on this? creative commons license

2. by Mr Clean 1982
Creative commons

3. What type of mouth would a
image by Steve Webel
organism need to feed on this? Creative Commons license

4. image by property1
creative commons license

5. What type of mouth would a
organism need to feed on this?

6. image by dincordero
creative commons license