Mangrove Forests

Mangrove swamps occur in warm climates near the __________________.

• forest
• oceans
• lakes

Salinity means the level of _______________in the water. 

• oxygen
• salt
• nitrogen

Brackish means that the water is

• only salt water
• a mix of fresh and salt water
• only fresh water

Estuaries become a __________________ trap which helps plant and animal life flourish. 

• death
• oxygen
• nutrient

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Most ocean pollution is caused by

• mans activities on land.
• mans activities in the ocean.
• none of these.

Estuaries form where 

• a lake evaporates
• a river meets the sea
• a river becomes dammed
• a wetland becomes filled in

Tags

NGSS.MS-ESS2-4

Which brackish watery biome has some areas that are salty, and some areas that are freshwater?

• freshwater
• coral reef
• estuary
• ocean

The bottom of the ocean

• benthic zone
• photic zone
• aphotic zone
• coral reef

Tags

NGSS.MS-LS2-3

Microscopic organisms that float near the surface of the water are called

• plankton 
• littoral 
• benthic

Tags

NGSS.MS-LS1-1

NGSS.MS-LS2-3

The plankton that are microscopic and plant like are called 

• zooplankton 
• phytoplankton 
• minnows