This _____ provide fish, seafood, and other natural resources for humans.

_______ is the area between high and low tides.

These ecosystems support a variety of organisms, including fish, amphibians, insects, and aquatic plants.

_____ are flowing freshwater ecosystems that move from higher to lower elevations.

_____ is a transitional ecosystems where freshwater from rivers meets saltwater from the ocean, creating blackish water.

What is the salt concentration of marine biomes?

• Less than 0.5%

• Around 3.5%

• More than 5%

• Varies based on depth

Which marine biome is divided into intertidal, pelagic, abyssal, and benthic zones?

• Open Ocean

• Coral Reefs

• Estuaries

• Wetlands

Which marine biome is known as the "rainforest of the sea" due to its high biodiversity?

• Abyssal Zone

• Benthic Zone

• Coral Reefs

• Open Ocean

What is the function of estuaries in marine ecosystems?

• They store freshwater for human use

• They act as nurseries for many marine species

• They prevent ocean currents

• They increase ocean salinity

Which of the following are two ecological roles of aquatic biomes?

• Providing drinking water and supporting fish farming

• Regulating climate and acting as a habitat for biodiversity

• Producing oxygen and increasing human population

• Preventing tsunamis and creating salt deposits