Ecosystems

What's the difference between Monsoon forests and tropical rainforests?

• Monsoon forests are too cold, tropical have all climates

• Monsoon forests have constant rainfalls, while Tropical rainforests don't

• Rainforests have constant rainfalls all the year, Monsoon for only a season

• Tropical rainforests have a limited amount of species

Ecosystems are..

• made of biotic organisms

• made of biotic and abiotic organisms

• made of abiotic organisms

• made of vegetation and climate

The role of the different organisms in an ecosystem is called..

• niche

• habitat

• competition

• community

Why do plants need animals?

• To grow healthier

• for pollination and reproduction

• To help them transport their seeds

• To eat them so they provide food for them

Which of the following is not needed for plants in photosynthesis?

• sunlight

• oxygen

• Co2

• water

The plants need the sunlight to..

• split carbon from oxygen and produce glucouse

• split glucouse from carbon and produce glucose

• split oxygen from carbon and produce glucose

• split carbon from glucose and produce oxygen

How do we call the different stages in a chain, like the food chain?

• horizons

• food level

• stages

• trophic level

Carbon is added in the atmosphere with..

• photosynthesis, decay and combustion

• respiration, decay and interception

• respiration, interception and combustion

• respiration, decay and combustion

Why are tropical rainforests the most vulnerable biome?

• because the plants and trees in rainforests are too weak to resist diseases

• because over 100.000km2 are lost a year due to deforestation

• because coniferous forests are already depleted

• because they can't adapt to the changing climate

In the nutrient cycle,

• leakage doesn't exist

• leakage is large

• leakage is small

• leakage is complete