The lower intertidal zone is submerged only during severe storms and very high tides.

The splash zone is covered with water only during high tide.

The upper intertidal zone lies between the average sea level and the average low tide level.

The lower intertidal zone is submerged in water and only exposed during extremely low tide

Seaweed can also be found in the upper intertidal zone.

Organisms found in the lower intertidal zone can also live and survive in the splash zone.

Some animals hide under plants or burrow into the sand to avoid too much exposure to sun. This is a challenge related to _____.

Barnacles can seal themselves from the outside world to keep themselves moist. This is a challenge related to _____.

Seaweed have leaves that tough, preventing them from being torn by the waves. This is a challenge related to _____.