AQUATIC ECOSYSTEMS
Sunlight, temperature and salt
What is a terrestrial ecosystem?
Is an ecosystem on land
What are the most biodiverse ecosystems?
Rainforests and coral reefs
True or false? Most of our daily activities affect ecosystems.
True
True or false? Animals and plants don´t need humidity.
False. THEY NEED
How are freshwater ecosystems classified?
By the movement of the water
What are the factors that affect terrestrial ecosystems?
Temperature, humidity, relief and soil
Write 2 benefits that biodiversity has for people.
It provides raw materials and food.
It provides energy sources, such as biomass.
It helps to regulate humidity and it keeps water clean.
It is a source of fun and enjoyment.
How can we save water?
We can take short showers instead of baths.
We can turn off the tap while we brush our teeth.
How is the disappearance of a species called?
Extinction
Write 1 example of flowing water and 3 of still water
Flowing water: rivers
Still water: ponds, lakes and reservoirs
What does humidity depend on?
What is biodiversity?
How can we save energy?
Using energy-saving devices and public transport.
Write 2 types of rocks
Basalt
Conglomerate
Granite
Coal
Limestone
What are the 2 types of aquatic ecosystems?
Freshwater and saltwater ecosystems
What is relief?
Relief is the shape of the land
What happends when a species of living things disappears from a place?
There is loss of biodiversity
How can we respect nature?
What are the 2 types of saltwater ecosystems?
Coasts and open sea
How are saltwater ecosystems classified?
By the amount of sunlight
What does the type of rock in a place affect?
Soil and relief
What are the main causes of extinction?
Destruction, pollution, hunting and overfishing
Write 3 ways that the government and the autonomous communities must do to protect ecosystems.
Collect different types of waste for recycling.
Prvent and fight forest fires.
Approve and supervise work that can affect ecosystems.
Identify endangered species that need protection/ create protection laws and survival plans for them.
Create protected areas for important ecosystems/ create laws to limit hunting, fishing, etc.
What is an ecosystem?
A community of living things that live in a particular place and the relationships between them