3.3 Biodiversity

Question 1

Define species richness

Answer 1

the number of different species in an area

Question 2

A _____________ _________ is an areas with high levels of biodiversity

Answer 2

A BIODIVERSITY HOTSPOT is an area with high levels of biodiversity

Question 3

key term linked referring to the relative number of species in an area

Answer 3

RELATIVE SPECIES ABUNDANCE-the relative number of species in an area

Question 4

Diversity index= insert formula

Answer 4

D= N(n-1)\sum of N(n-1)

D-biodiversity index
N=total number of organisms
n=total number of organisms of each individual species

Question 5

________ diversity index leads to a higher biodiversity

Answer 5

HIGHER diversity index leads to a higher biodiversity

Question 6

What types of effects can mutations have

Answer 6

Advantageous = increases frequency
Disadvantages= natural selection may remove from general or be retained
Neutral= no effect

Question 7

Define genetic diversity

Answer 7

Genetic diversity is a measure of the level of difference in the genetic make-up of a population

Question 8

Define conservation

Answer 8

Maintaining and protecting a living and changing environment

Question 9

Identify and describe 2 types of conservation

Answer 9

Ex-situ- conservation of components of biological diversity (living organisms) outside their natural environment.
In-situ- the conservation of ecosystems and natural habitats, and the maintenance and recovery of viable populations of species in their natural surroundings.