Global Issues Y9

Question 1

What is the prediction of what the population will be in 2050

Answer 1

10 billion

Question 2

What is a mega city

Answer 2

City with population of 10 million or more

Question 3

How many mega cities are there currently?

Answer 3

30

Question 4

What percentage of humans will be living in urban areas by 2050?

Answer 4

70%

Question 5

What has happened to the overall size of wildlife populations during the time that human population has doubled

Answer 5

Halved

Question 6

What two factors are behind global human population growth?

Answer 6

Life Expectancy
Birth rate

Question 7

What is replacement rate fertility

Answer 7

The number of babies being born that are needed to maintain a stable population

Question 8

What is the global average fertility rate

Answer 8

2.4

Question 9

Two reasons why people have large families in Africa and around the world

Answer 9

Child mortality
Children were the workforce

Question 10

What is the current fertility rate in the Uk

Answer 10

1.7 per woman

Question 11

When does the UN think that global average fertility rates will reach replacement level

Answer 11

2060

Question 12

Why can modern medicine be viewed as ‘anti-biology’

Answer 12

people are meant to die and medicine makes them live longer than they should

Question 13

Why is female education important if fertility rates are to be reduced

Answer 13

Women can make more informed choices and they are likely to have better careers which will delay child birth as they will be focusing on their work

Question 14

How old is earth

Answer 14

4.5 billion years old

Question 15

When did life on earth start

Answer 15

3.5 billion years ago

Question 16

What percentage of all species that have ever lived on earth are extinct

Answer 16

99%

Question 17

What is the background extinction rate

Answer 17

The rate that species go extinct not including massive extinction events

Question 18

What is it called when lots of species go extinct at once

Answer 18

Mass extinction events

Question 19

What is the red list

Answer 19

List that categorises the extinction threat level of different species

Question 20

What does EDGE stand for

Answer 20

Evolutionary distinct, globally endangered

Question 21

What is EDGE

Answer 21

A new attempt to identify species that are most deserving of conservation funding and efforts. The technique is now possible because we can decode the genomes of different species.

Question 22

How is evolutionary distinction measured?

Answer 22

How unique or unusual the genome of a species is.

Question 23

How do you know an animal is globally endangered

Answer 23

The IUCN red list defines the threat level of over 100,000 species worldwide. EGDE conservatives believe that the more threatened a species I’d the more it is important to conserve it

Question 24

What is an EDGE species classified as

Answer 24

A species with an unusual genome and a high threat level

Question 25

Definition of a flagship species

Answer 25

A species selected to act as an ambassador, icon or symbol for a defined habitat, issue, campaign or environmental cause.

Question 26

What do lots of flagship species have in common

Answer 26

They are mammals They are large They are cute and fluffy

Question 27

Advantage of flagship species

Answer 27

Brilliant marketing tool- they cause people to donate to the charity

Question 28

What are keystone species

Answer 28

A species that is considered vital to the health of the ecosystem in which it lives, if the Keystone species were to go the entire ecosystem would collapse.

Question 29

Examples of keystone species

Answer 29

Tiger sharks Beavers Bees