Biodiversity (L6+7)

Question 1

What is biodiversity?

Answer 1

• Biodiversity is a term for the enormous variety of life on earth.
• It can refer to all the species in a region or ecosystem. - - Biodiversity refers to every living thing: plants, humans, bacteria, humans.

Question 2

What 2 measurements are in the Simpson’s biodiversity index?

Answer 2

1. The richness of the species diversity in the ecosystem; i.e. the number of species there are in an ecosystem.
2. The evenness of the species in the ecosystem. i.e. The abundance of each of the species.

Question 3

How can we calculate biodiversity?

Answer 3

D= N(N-1) over Σ * n(n-1)
D= diversity index
N= total number of all organisms of all species found
n= number of individuals in a particular species
Σ= 'the sum of'
* = times

Question 4

Why is biodiversity important?

Answer 4

It has an importance on global and local scale. If we lose biodiversity, not always can one organism fill in the shoes of another organism, and we could lose things like; clean air, fresh crops, animal life etc.