Ecosystems Practice Questions

Question 1

3 marks

A hedgerow beside a field is an example of a small scale ecosystem.

(a)

Which one of the following is an abiotic component of a hedgerow ecosystem?

Shade one circle only.

  • A Earthworm
  • B Soil moisture
  • C Hawthorn shrub
  • D Blue tit
(b)

Using an example, explain how one living (biotic) part of a small scale UK ecosystem depends on one non-living (abiotic) part.

Question 2

3 marks
(a)

Which global ecosystem matches the following description?

A treeless area where the subsoil stays frozen for most of the year and the growing season is very short.

Shade one circle only.

  • A Coniferous forest
  • B Temperate grassland
  • C Tundra
  • D Tropical rainforest
(b)

Describe two characteristics of the tropical grassland (savanna) ecosystem.

Question 3

2 marks

Figure 1 shows a food chain from a UK deciduous woodland. One organism is missing.

Oak leavesCaterpillar?Sparrowhawk

Use this list of organisms to answer part (a):

earthworm blue tit bracken grey squirrel

(a)

Using Figure 1, choose the organism from the list that should be written in the missing box.

(b)

Using Figure 1, name the producer in this food chain.

Question 4

2 marks

Figure 2 shows the approximate percentage of the land area of each continent covered by three global ecosystems.

Continent Tropical rainforest (%) Desert (%) Tundra (%)
Africa 10 35 0
Asia 8 20 10
Europe 0 1 4
North America 3 8 18
South America 32 5 0
Oceania 5 40 0

Using Figure 2, describe the distribution of the tundra ecosystem.