1.1. Describe the meaning of the term 'community'.

1.2. Figure 1 shows a food web.

Figure 1

The organisms in this food web are said to be interdependent.

Explain what is meant by this.

1.3. The information in Figure 1 shows some interactions and feeding relationships between different species. However, Figure 1 does not represent an entire ecosystem.

Explain why.

1.4. After a period of drought, there was a reduction in the growth of grass.

With reference to Figure 1, explain how this would affect the population of caterpillars.