Platypus females lay their eggs in a burrow, and burrows dug by badgers are also important in many areas. Given these facts, how do platypus lay eggs among the following options:
- epidermis and dermis
 - on a flat plane
 - in a tree
 - fur and fat
 - during the day
 - it keeps an organism warm
 - in a dug out area
 - in the water


 

       in a dug out area  