WorksheetsFreshwater Ecosystems
Total questions: 10
Worksheet time: 5mins
River
Stream
Lake
Pond
River
Lake
Stream
Pond
River
Stream
Lake
Pond
River
Lake
Stream
Pond
Which biotic factor is NOT important for freshwater ecosystems?
Salinity
Soil quality
Dissolved oxygen
Temperature
What statement is correct about streams?
They are high in nutrients.
They have a high level of dissolved oxygen.
They have a high salinity.
They appear muddy in colour.
What freshwater ecosystem have dams added for electricity generation?
Stream
River
Pond
Lake
What statement is true about ponds?
Sunlight cannot reach the bottom of ponds.
Ponds are bigger than lakes.
Ponds contain freshwater that is not flowing downhill.
Water in ponds is deep & cold.
What animals can be commonly found in freshwater ecosystems?
Whales
Seahorses
Catfish
Sea trout
Which image represents a freshwater food chain?
