Aquatic Ecosystems

Which aquatic ecosystem is found where the freshwater rivers meet the ocean?

• ocean

• estuary

• lake

• pond

The mixture of saltwater and freshwater in an estuary is called __________________ water.

• brackish

• semi-salty

• partially-salty

• sorta-salty

Tags

NGSS.5-ESS2-1

NGSS.5-ESS2-2

All of the following are examples of freshwater ecosystems EXCEPT ________________.

• ponds

• Estuaries

• lakes

• rivers

Tags

NGSS.5-ESS2-2

Bryson is comparing two different ecosystems and creates the following list of similarities: aquatic, diverse fish life, high salt concentration, plentiful light at the water's surface. Which two ecosystems is Bryson most likely comparing?

• ocean and lake

• estuary and ocean

• grassland and pond

Organisms in estuaries must be able to survive

• frequent dry conditions
• high winds
• changing salt levels

Tags

NGSS.3-LS4-3

Pond/Lake Plants

• mangrove, sea rush, oioi, jointed rush

• water lilies, algae, cattails

• mallard duck, crayfish, snapping turtle

• coralline algae, phytoplankton

Tags

NGSS.3-LS4-3

NGSS.4-LS1-1

This word is used to describe living parts of an ecosystem

• Abiotic

• Terrestrial

• Aquatic

• Biotic

Tags

NGSS.5-LS2-1

Which of the following best describes turtles, algae, fish and beavers?

• Biotic factors found in lakes and ponds

• Abiotic factors found in lakes and ponds

• Biotic factors found in grasslands

• Abiotic factors found in forests

Tags

NGSS.MS-LS2-4

Swamps, marshes, and rivers are all examples of ____________ ecosystems.

• Saltwater

• Oceans

• Freshwater

• Tropical Rainforest

Tags

NGSS.MS-LS2-3

Why do most aquatic plants live near the edge of a pond or float on its surface?

• for water and sunlight

• for fish and humans

• for frogs homes and food

• cleans bacteria and swimming

Tags

NGSS.4-LS1-1

NGSS.5-LS1-1