Ecosystems and Tropical Rainforests Flashcards
One role of a decomposer in a ecosystem is…
To help return nutrients to the soil
One example of how nature recycles energy is…
The breakdown of organic matter such as twigs, leaves and dead animals by decomposers
If an animal such as a fox was removed from an ecosystem it would lead to…
An increase in the number of primary consumers such as rabbits
On a climate graph…
A line shows temperature and bars show precipitation
The largest single area of tropical rainforest in the world is in…
South America
One reason tropical rainforests are found on or near the equator is…
Warm temperatures and consistent day length make high rates of photosynthesis possible
Eco-tourism can manage tropical rainforests sustainably because…
It is usually small scale, making little impact on the rainforest
Selective logging is…
The felling of only a few ‘target’ trees. The remainder of the ecosystem remains untouched
Replacing tropical rainforests in Indonesia with palm oil plantations has some economic benefits such as…
- The creation of jobs for local people which can create economic growth
- Tax received by the government increases as companies make more profits
Replacing tropical rainforests in Indonesia with palm oil plantations has many environmental impacts such as…
- 1000’s of species become under threat as habitat is destroyed
- The burning of forests releases huge quantities of carbon dioxide into the atmosphere
