3.4.6 Biodiveristy Within A Community

Question 1

Whats biodiversity

Answer 1

Variety of living organisms in an area

Question 2

What’s a habitat

Answer 2

Place where an organism lives

Question 3

What’s a community

Answer 3

All the populations of different species in a habitat

Question 4

What do areas with biodiversity have

Answer 4

Lots of different species

Question 5

2 types of biodiversity

Answer 5

Local

Global

Question 6

What’s local biodiversity

E.g

Answer 6

Variety of species living in a small habitat local to you

E.g a pond

Question 7

What’s global biodiversity

Answer 7

Variety of species on earth

Question 8

What’s the total number of species on earth around

Answer 8

8.7million

Question 9

Where is biodiversity at its highest and lowest

Answer 9

Highest - equator

Lowest - poles

Question 10

How can we measure biodiversity

Answer 10

Index of diversity

Question 11

What’s the index of diversity equation

Answer 11

N(N-1)/total n(n-1)

N - total no. Organisms of all species
n - total no. Organisms of 1 species

Question 12

What does a higher index of diversity tell us about an area

Answer 12

It’s more diverse

Question 13

What would the index be if all individuals are of the same species

Answer 13

1