Referring to the image above, the intestine is represented by _______. 

What structure forms the primitive gut? 

The plant indicated by the letter B in the image belongs to the division _______ and is a _______.

The plant indicated by the letter B in the image belongs to the division _______ and is a _______.

The structure shown inside the green box in the image of Obelia above is a(n) _______.

The image above portrays a moss _______, which is _______.

The part labeled L in the image of the flower above is the _______.

The structure shown inside the green box in the image of Obelia above is a(n) _______.

The lining of the intestinal tract is derived from _______.

Referring to the image above, the gills are indicated by _______.