Marine Ecosystems

What are tiny organisms that float near the surface of the water?

• plankton
• organisms
• abiotic factor
• insects

The _________ zone is the ocean floor.

• intertidal
• neritic
• oceanic
• benthic

The __________ zone is the place where the ocean meets the land.

• intertidal
• neritic
• oceanic
• benthic

An area where fresh water from streams and rivers spills into the ocean is called an _____________.

• plankton
• estuary
• sargassums
• coral reefs

Where are most coral reefs found?

• warm, shallow areas of the neritic zone
• deepest, dark areas of the benthic zone
• deep water of the open ocean

The marine ecosystem providing the most habitat and with the MOST diversity is

• sandy beach

• rocky shore

• coral reef

• kelp forest

Tags

NGSS.MS-LS2-5

The BIGGEST function of an estuary is providing

• salt products

• a nursery for baby organisms

• recreation

• most of the world's oxygen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Which ecosystem provides most of the world's oxygen?

• kelp forest

• estuary

• coral reef

• open ocean

Tags

NGSS.MS-LS1-6

The majority of marine organisms are found in

• deep ocean waters

• shallow, coastal waters

• fisheries

• none of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Why doesn’t photosynthesis occur in deep ocean water?

• The water temperature is too cold

• There is no sunlight

• There are not enough nutrients

• The salinity level of the water is too high

Tags

NGSS.MS-LS1-6