Unit 7.3 - Climate change (2)

Question 1

Biodiversity

Answer 1

The variety of life in all its forms

Question 2

Ecosystem diversity

Answer 2

Is the variety of ecosystems found in an area or Earth

Question 3

Species diversity

Answer 3

Is the number and relative abundance of species found within an ecosystem

Question 4

Genetic diversity

Answer 4

Is the variety of genes and alleles present in a species

Question 5

Species

Answer 5

A group of organisms which can reproduce to produce fertile offspring

Question 6

Extinction

Answer 6

Occurs when a species no longer exists

Question 7

Pollution

Answer 7

The introduction of harmful substances or agents into the environment

Question 8

Habitat

Answer 8

The environment in which a species normally lives or the location of a living organism

Question 9

Invasive species

Answer 9

A non-native species which causes harm to the environment to which it has been introduced

Question 10

Agriculture

Answer 10

the practice of cultivating plants and rearing animals for food, fibre, medicinal plants, and other products used to sustain and enhance human life

Question 11

Richness

Answer 11

The number of different species

Question 12

Evenness

Answer 12

How close the population numbers are to each other

Question 13

Citizen scientists

Answer 13

Volunteer scientists who collect and share data with professional scientists

Question 14

Simpson’s diversity index

Answer 14

The measure of the biodiversity of an ecosystem. Calculated by: D = N(N-1)/ (the sum of n(n-1)