You are presented with the question "Animals with _ form large colonies in shallow tropical water" and the following answer choices: 
- calcite shells
 - an organism's body
 - Absorb light
 - biological diversity
 - Leptospirosis
 - produce offspring
 - allow growth
 - to stay warm

Now knowing that corals form large colonies in shallow tropical water and coral is the calcite shell of the coral animal, choose the best answer.


 

 calcite shells        