What is this? And which zone does it live in? Low/mid tide zone.
Sea urchin, It uses gills to breath, it comes to mid tide zone to find food.
What tide zone is this animal found in?
High tide zone, it has a hard body.
What is this? How does it grow? How do thy collect food?
Coral grows in groups and stay in one place. They collect food as it floats by.