September 17 Flashcards Preview

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Flashcards in September 17 Deck (19):
1

True or false
Life on earth has elbowed from land based mammals

False, life has evolved from the sea

2

True or false
The age of dinosaurs lead to the age of mammals

True

3

True or false
Humans are an old species that has inhabited the earth for a long time

False, humans are a fairly newly developed species

4

Humans negatively impact the __________.

Environment

5

Define pyrophyte.

Plants that favour frequent fire use

6

True or false
Humans have the power to drastically change the animal population

True

7

True or false
Humans are super predators.

True

8

Earths overall diversity has ________

Decreased

9

Hunter gatherers had ________ families, farmers/agriculture had __________ families.

Smaller, larger

10

Indirectly agriculture led to ___________ growth.

Population

11

_______ people are needed in agriculture so _________ jobs were made.

Less, new

12

Stone cities lasted __ to __ hundred years

5, 6

13

Why do cities fail?

They create an unsustainable lifestyle

14

In the ___ century the UK went through a wood crisis so they discovered _________

18, fossil fuels

15

True or false
2015 was the hottest year on record

True

16

Define shifting baseline.

When the expectations of a normal shift making the change seem less substantial

17

Define world bio capacity.

How many worlds would we need to sustain our lifestyles

18

Canada's world bio capacity is ....

4 earths

19

We need to reduce our ecological footprint by _____.

40%