Fact 1: Marine species live mainly in shallow coastal waters.

Fact 2: Many species of marine algae are toxic or harmful.

Given the two facts above, answer the question "what lives mainly in shallow coastal waters?" with the following options: 
- humans
 - density
 - Seesaw
 - swea
 - a fish
 - deep
 - algae
 - otters


 

       algae  