investigating diveristy

Question 1

What is species diversity?

Answer 1

= the number of different species and individuals within each species in a community

Question 2

WHat is species richness?

Answer 2

= the number of different species ina particular area at a parcular time

Question 3

What is the importance of bio diversity?

Answer 3

= describe a range of habitat
= small local habitats or entire earth
= a low bio diversity isnt always concern

Question 4

What causes concern?

Answer 4

= a decrease in biodiversity
= often caused by human activity

Question 5

How does farming reduce biodiversity?

Answer 5

= destructuon of hedge grows
= selectibe breeding
= monocultures- one plant species
= over-grazing
= filling in ponds and wet lands are drained

Question 6

What is an index of biodiversity?

Answer 6

= measure of species diversity
= calculation to measure the relationship between the number of species in acommunity, and the number of indivudlas of a species

Question 7

What does N n and d stand for?

Answer 7

N: totoal number of organsims in a species
n: total numbr of organisms of a paricular species
D: simpsons diveristy index

= u cannot get a value lower than 1, the larger the valu the greater the doversity, it is usually 1-10