Ecosystems

Question 1

What is an ecosystem?

Answer 1

An ecosystem is the study of the living and non living things in an environment where living things that interact with each other and also with the non living environments they are found in.

Question 2

Living aspects of ecosystems

Answer 2

Animals
Detritivores-millipedes and worms
Vegetation
Bacteria and algae

Question 3

Non living aspects of a ecosystem

Answer 3

Dead animals and plants
Air
Soil
Climate (temperature, water and soil)

Question 4

What will we lose if our rainforest is deforested?

Answer 4

Trees absorb CO2
The 'lungs of the planet'
Huge amounts of water
Global air circulation may change
UNEP-Bio-diversity of the rainforest

Question 5

Deforestation

Answer 5

the action of clearing a wide area of trees.

Question 6

What is sustainability?

Answer 6

Long term sustainability is where all members benefit equally from the scheme has maintenance of natural systems and income is shared locally by local people.

Question 7

Causes of deforestation

Answer 7

Cattle ranching-cattle have low maintenance costs and are highly liquid assets easily.
Palm oil-pollution is caused by the burning of secondary forests across Borneo.
Timber-agricultural clearance or fuelwood collection.