Biodiversity
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1
What is biodiversity?
The variety of living organisms
2
What is a habitat?
Place where an organism lives
3
What is a community?
Populations of species in a habitat
4
What areas have high biodiversity?
Areas with many different species
5
What is local biodiversity?
Biodiversity in a small habitat
6
What is global biodiversity?
Biodiversity across the whole Earth
7
Where is biodiversity highest on Earth?
At the equator
8
Where does biodiversity decrease on Earth?
Towards the poles
9
What is species richness?
Number of different species in a community
10
What is species evenness?
Relative abundance of different species
11
How is biodiversity measured?
Using an index of diversity
12
What is the formula for diversity index?
d = N(N-1) / Σn(n-1)
13
What does "N" represent in the formula?
Total number of organisms
14
What does "n" represent in the formula?
Number of individuals of one species
15
What does Σ represent in the formula?
Sum of calculations
16
What does a high diversity index mean?
More diverse area
17
What does a low diversity index mean?
Fewer species, less diversity
18
What is agricultural land clearance?
Removing land for farming
19
How does monoculture affect biodiversity?
Reduces variety, fewer species
20
What do pesticides do?
Kill pests and reduce biodiversity
21
How do herbicides impact biodiversity?
Kill unwanted plants, reducing species
22
What are conservation schemes?
Ways to protect biodiversity
23
What does SSSI stand for?
Special Scientific Interest
24
What does AONB stand for?
Areas of Outstanding Natural Beauty
25
How do farmers encourage biodiversity?
Using hedgerows and field margins
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