Ecosystems

Question 1

. One role of a decomposer in a ecosystem is…

Answer 1

It helps return nutrients to the soil

Question 2

If an animal such as a fox was removed from an ecosystem it would lead to…

Answer 2

An increase in primary consumers such as rabbits

Question 3

The largest single area of tropical rainforest in the world is in…

Answer 3

South America

Question 4

Eco-tourism can manage tropical rainforests sustainably because…

Answer 4

Usually a small scale making little impact on the rain forest

Question 5

Replacing tropical rainforests in Indonesia with palm oil plantations has some economic benefits such as…

Answer 5

1. The creation of jobs for local people which can create economic growth
2. Tax received by the government increases as companies make more profits

Question 6

One example of how nature recycles energy is…

Answer 6

The breakdown of organic matter such as twigs, leaves and dead animals by decomposer

Question 7

On a climate graph

Answer 7

A line shows temperature and bars show precipitation

Question 8

One reason tropical rainforests are found on or near the equator is

Answer 8

Warm temperatures and consistent day length make high rates of photosynthesis possible

Question 9

Selective logging is…

Answer 9

The felling of only a few ‘target’ trees. The remainder of the ecosystem remains untouched

Question 10

Replacing tropical rainforests in Indonesia with palm oil plantations has many environmental impacts such as…

Answer 10

1. 1000’s of species become under threat as habitat is destroyed
2. The burning of forests releases huge quantities of carbon dioxide into the atmosphere