Are mountain grasslands terrestrial or acquatic ecosystems?
Mountain grasslands are terrestrial ecosystems.
15
True or false? A desert is an acquatic ecosystem.
False. Deserts are terrestrial ecosystems.
15
True or false? Acquatic ecosystems can be marine ecosystems or freshwater ecosystems.
It is true.
20
True or false? Lagoons and rivers are freshwater ecosystems
It is true.
15
True or false? Sandy coasts are marine ecosystems.
It is true.
15
True or false? Rocky coasts are freshwater ecosystems.
It is false. ROCKY COASTS are marine ecosystems.
15
True or false? Open sea ecosystems are freshwater ecosystems.
False. OPEN SEA ecosystems have water with high SALINITY. They are MARINE ecosystems.
15
True or false? Rivers are freshwater ecosystems.
True. Water in RIVERS has LOW SALINITY.
15
The climate in deserts is HUMID or DRY?
It is a DRY climate.
15
________________ happens when a species completely dissapears. POLLUTION - DEFORESTATION - DESERTIFICATION - EXTINCTION
EXTINCTION happens when a species completely dissapears.
25
________________ happens when soil erodes and the land becomes arid. POLLUTION - DEFORESTATION - DESERTIFICATION - EXTINCTION
DESERTIFICATION happens when soil erodes and the land becomes arid.
25
________________ can happen due to forest fires or because people cut down too many trees. POLLUTION - DEFORESTATION - DESERTIFICATION - EXTINCTION
DEFORESTATION can happen due to forest fires or because people cut down too many trees.
25
________________ can happen due to the accumulation of rubbish and harmful substances in the air, water and soil. POLLUTION - DEFORESTATION - DESERTIFICATION - EXTINCTION
POLLUTION can happen due to the accumulation of rubbish and harmful substances in the air, water and soil.