Science Exam

An estuary is best defined as a place where--

• fresh and salt water meet

• a river meets the Chesapeake Bay

• a group of animals are gathered

• the water from the land flows into a river

Which of the following is NOT true about an Estuary?

• They can be comprised of multiple other intertidal zones
• They are a common mating ground for Marine birds
• They are often found where a river meets the ocean
• They are all saltwater

Why are estuaries important to our environment?

• Estuaries filter pollutants and prevent erosion.

• Estuaries provide nurseries for marine life.

• Estuaries act as home for many types of wildlife.

• All of the above.

Glaciers that have cut through granite rock form these type of estuaries:

• bar built

• fjords

• salt marshes

• mangroves

True or False:

Estuaries are one of the most productive Ecosystems/Biomes in the world.

• False

• True

Ecosystem found on marine shorelines alternating between high and low tide

• Abyssal Zone

• Coral Reef

• Intertidal Zone

• Open Ocean

Species living in the Intertidal Zone include

• Sharks

• Whales

• Sea Stars

• Jellyfish

What is the most common stressor of intertidal zones?

• Rising Salinity
• Human Impact
• Erosion
• All of the others

Lagoons, harbors, inlets, sounds, river or stream mouths, and wetlands are all estuaries.

• True

• False

Intertidal zone is where the land and sea meet.

• True

• False