Aquatic Ecosystems Exit Ticket #2

Which of the following best describes the role of plankton in the aquatic ecosystem?

• Plankton are the primary predators in the aquatic food chain.

• Plankton are the primary producers and form the base of the aquatic food web.

• Plankton are responsible for decomposing organic matter in the water.

• Plankton are the main source of oxygen in the atmosphere.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is a key characteristic of the littoral zone in an aquatic ecosystem?

• It is the deepest part of the ocean where no light penetrates.

• It is the area near the shore where sunlight can reach the bottom, allowing plant growth.

• It is the open water area where sunlight does not reach the bottom.

• It is the area where freshwater and saltwater mix.

How do organisms in the intertidal zone adapt to changing environmental conditions?

• They develop thick shells to protect against predators.

• They have specialized organs to filter salt from the water.

• They can tolerate both wet and dry conditions due to tidal changes.

• They migrate to deeper waters during low tide.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

Which zone in an aquatic ecosystem is characterized by high pressure, low temperatures, and complete darkness?

• Photic Zone

• Abyssal Zone

• Limnetic Zone

• Pelagic Zone

What is the primary factor that influences the salinity levels in an estuary?

• The amount of rainfall in the region.

• The mixing of freshwater from rivers and saltwater from the ocean.

• The presence of aquatic plants that absorb salt.

• The temperature of the water.