Aquatic ecology

Estuaries form where 

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

Important limiting factors in streams and rivers include

• amount of oxygen
• temperature of water
• all of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The area of land that drains into a body of water is called...

• mountain

• watershed

• flood plain

• coast

Tags

NGSS.MS-ESS2-4

Microscopic, free-floating, autotrophic organisms that function as producers in aquatic ecosystems are called...

• plankton
• zooplankton
• phytoplankton
• bacteria

Tags

NGSS.MS-LS2-3

The phytoplankton in this food chain is the ...

• Autotroph

• Herbivore

• Heterotroph

• Decomposer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

New lakes with relatively low levels of nutrients, deep & cold, with little organic matter (little phytoplankton)

• eutrophic
• mesotrophic
• limtrophic
• oligotrophic

Tags

NGSS.HS-LS2-4

Most of the source of food in aquatic ecosystems is produced by

• Fish

• plankton

• crabs

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The types of organisms found in a pond or lake depend on

• The amount of sunlight available

• The temperature of the water

• The presence of nutrients

• All of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

An immediate increase in the amount of algae and other producers that results from a large input of nutrients is called...

• plant growth
• algal bloom
• phytoplankton growth
• aquatic bloom

Tags

NGSS.MS-LS2-4

As water temperature increases, water density

• Increases

• Decreases

Tags

NGSS.MS-PS1-4