Aquatic Biomes

1. Which ecosystem has no photosynthesis, with organisms relying instead on decomposing matter called “marine snow”?

• Coastal zone.

• Benthic zone.

• Open ocean.

• Tidal zone.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

1. This area of the ocean only makes up 10% of the total ecosystem size, but has 90% of its biodiversity.

• The coastal/tidal zones.

• The photic zone in the open ocean.

• The aphotic zone in the open ocean.

• d. The benthic zone.

Tags

NGSS.MS-LS2-5

1. This is the most productive ecosystem in the ocean. It is formed as the result of a tiny animal and algae living in a mutualistic relationship.

• Mudflat.

• Sandy shore.

• Rocky shore.

• Coral reef.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

1. Which ecosystem is sometimes referred to as a “marine desert,” due to its lack of life?

• Coastal zone.

• Benthic zone.

• Open ocean.

• Tidal zone.

1. This diagram represents what type of coastal wetland?

• Sea grass bed.

• Salt marsh.

• Mangrove swamp.

• Estuary.

1. Benefits of wetlands include…

• Increased levels of biodiversity.

• Flood control; absorbing excess water.

• Naturally removing sediment and pollution.

• All of the above.

Tags

NGSS.MS-LS2-5

1. The change in sea level from high to low tide is the result of…

• The gravitational effects of the sun.

• The gravitational effects of the moon and the sun.

• Wind.

• Small earthquakes on the ocean floor.

Tags

NGSS.MS-ESS1-2

1. What color sand would you expect to see on sheltered cove on a volcanic island, such as Hawai’i?

• White

• Black

• Brown

• No sand; rocky shore instead.

1. Of the three types of inland freshwater wetlands, which one would you expect to find no trees, and a normal pH level?

• Swamp

• Marsh

• Bog

• All of these.

1. Driving home, you pass through a warmer area with a lot of farm land. You notice a pond near the road that is thick with coating of green algae. This is a ______________ pond.

• Oligotrophic

• Eutrophic

• Mesotrophic

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4