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24. Answer the questions.
1. Which community (Figure 1 or Figure 2) contains the most biodiver-
sity?
2. Calculate the biodiversity index for a plot that has 40 earthworms, but
no other species.
3. Calculate the biodiversity index for a plot that has three earthworms, 3
crickets, four centipedes, five grasshoppers, five millipedes, four sow
bugs, two moles, two ferns, three filamentous fungi, and nine ants.
4. How do you think farming affects biodiversity?
25. Your partner and you will read different texts so that you could ex-
change the information. Before you read do the tasks below.
A. Match the word (1-9) to their opposites (a-i) and memorize them.
1) few
2) increase
3) high
4) the same
5) warm
6) humid
7) near
8) shallow
9) bottom
a) different
b) dry
c) numerous
d) deep
e) top
f) far
g) low
h) decrease
i) cool
B. Choose a role: Student A or Student B. Play memory game.
Student A: say a word from list (1-9).
Student B: say its opposite by memory. Swap the roles.
26. Read the texts and exchange the information.
Student A:
Read Text A.
Text A
In a natural community, very few species are numerous. As a result,
most successful communities show a relatively high biodiversity index.
Communities in grasslands, forests, shrubs, or deserts show a variety of spe-
cies. If a community is highly impacted by humans, such as a section of gras-
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