Ecosystems Questions Flashcards
State two characteristics of tundra ecosystems.
One characteristic is that there is little sunlight.
Another is that there is also little rain.
Which one of the following is where large scale desert ecosystems are not found?
Central South America.
Compare the climate graphs for the tropical and boreal forest ecosystems.
Temperatures for the tropical forest graph are above 26 degrees each year and rise to a maximum of 27.5 degrees in October. However, temperatures in boreal forest only reach above freezing between May and August.
Name one local factor that affects ecosystems.
Altitude Differences.
State the correct layer of the Earth where life exists.
The biosphere.
Identify two building materials provided by the biosphere.
Straw and timber.
State two characteristics of moorlands.
- Found in upland areas.
- Peat bogs and rough grassland.
Which two of the following are characteristics of wetlands?
Waterlogged soils and low in nutrients.
State the type of weathering that occurs in tropical rainforests.
Chemical weathering.
Explain why this type of weathering occurs.
It occurs because of warm and moist conditions.
Explain the contribution made by humans to the functioning of the tropical rainforests.
Humans contribute due to indigenous tribes that hunt animals for food, carry out small-scale farming and spread seeds.
Identify which one of the following is not an animal adaptation for living in a tropical rainforest.
Strong limbs.
Define the term biodiversity.
Biodiversity is the vary in animal and plant life in a habitat.
State two goods provided by tropical rainforests.
Diverse range of plant species and timber for manufacturing.
Explain why resource extraction is causing the deforestation of tropical rainforests.
It is causing deforestation because they have to extract resources that they need such as timber and minerals.