Which one of these bodies of water is NOT a shoreline?

• Tidal pool

• Mangrove

• Lake
• Bayou

Tidal pools are formed when water is (a)   in the intertidal zone during (b)   tide.​ ​

• high
• low
• shallow
• dense
• trapped

Which of the following are the main zones found on a rocky shore?

• Upper, middle, and lower

• Supralittoral, Intertidal, Sublittoral

• Primary, secondary, tertiary

• Coastal, marine, oceanic

Which of the following best describes a bay?

• A vast expanse of water enclosed by land

• A small inlet with a narrow mouth

• A water body mostly enclosed by land

• A water body with sandy beaches

An estuary is where water from the (a)   and water from the ​ (b)   mix.

• saline
• ocean
• river

What do estuaries contain that supports the growth of aquatic plants and algae?

• Nutrients

• sand

• rocks

• freshwater

Estuaries serve as __________ _________ for marine and terrestrial ecosystems.

• barriers

• habitats

• nutrient sources

• water filters

What makes survival challenging for organisms in the sublittoral zone?

• They must endure harsh environmental conditions.

• They need to compete for limited resources.

• They face numerous predators.

Which of these is the intertidal zone?

• Littoral
• Sublittoral
• Supralittoral

Which zone is the rock louse in?

• Littoral
• Sublittoral
• Supralittoral