Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Intertidal zones refer to the area between high tide and low tide marks on a shoreline. These zones experience regular exposure to both air and water due to tidal fluctuations.
Related terms
Tide Pools: Tide pools are small depressions formed in rocky intertidal areas that hold seawater even at low tide. They create unique microhabitats supporting diverse organisms adapted to survive in harsh conditions.
Wave Action: Wave action refers to the movement and force of waves crashing onto the shore. It plays a significant role in shaping coastal landforms, eroding cliffs, and depositing sediments.
Zonation: Zonation is the distinct pattern of plant and animal communities found in different zones along a shoreline. It is influenced by factors such as wave exposure, salinity, and substrate type.