________________ happens when a species completely dissapears. POLLUTION - DEFORESTATION - DESERTIFICATION - EXTINCTION
EXTINCTION happens when a species completely dissapears.
True or false? Acquatic ecosystems can be marine ecosystems or freshwater ecosystems.
It is true.
True or false? Lagoons and rivers are freshwater ecosystems
It is true.
In what type of acquatic ecoystem can we find a CATFISH?
We can find catfish in RIVERS like the Ebro river in Caspe.
True or false? Sandy coasts are marine ecosystems.
It is true.
True or false? Rivers are freshwater ecosystems.
True. Water in RIVERS has LOW SALINITY.
________________ 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.
True or false? Open sea ecosystems are freshwater ecosystems.
False. OPEN SEA ecosystems have water with high SALINITY. They are MARINE ecosystems.
Are forests acquatic ecosystems?
No. Forests are terrestrial ecosystems.
________________ happens when soil erodes and the land becomes arid. POLLUTION - DEFORESTATION - DESERTIFICATION - EXTINCTION
DESERTIFICATION happens when soil erodes and the land becomes arid.
Four ways of protecting the environment: Saving waste or saving water?
SAVING WATER is a way of protecting the environment.
True or false? Rocky coasts are freshwater ecosystems.
It is false. ROCKY COASTS are marine ecosystems.
Do whales live in sandy coast ecosystems?
No, they live in open sea ecosystems.
Four ways of protecting the environment: Respecting waste or respecting nature?
RESPECTING NATURE is a way of protecting the environment.
Do forests grow in humid areas or in dry areas?
Forests grow in humid and fertile areas.
Four ways of protecting the environment: Recycling waste or recycling energy?
RECYCLING WASTE is a way of protecting the environment.
True or false? A desert is an acquatic ecosystem.
False. Deserts are terrestrial ecosystems.
Are forests terrestrial ecosystems?
Yes, they are.
________________ 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.
Are mountain grasslands terrestrial or acquatic ecosystems?
Mountain grasslands are terrestrial ecosystems.
The climate in deserts is HUMID or DRY?
It is a DRY climate.