Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Geography 2019 Semester 2 Exam > Tundra, Grassland and Tropical Rainforest > Flashcards

Tundra, Grassland and Tropical Rainforest Flashcards

You may prefer our related Brainscape-certified flashcards:
U.S. Geography flashcards World Geography flashcards
1
Q

What is the tundra biome characterised by?

A

Permafrost, a permanently frozen subsoil consisting of gravel and finer material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does the word tundra mean?

A

Treeless plain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the climate like in the tundra biome?

A

It is the coldest biome on Earth, with temperatures ranging from -34°C to 12°C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the latitude range for the tundra biome?

A

60-70°N of the equator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the average yearly precipitation for the tundra biome?

A

150-250mm per year, it is an arid biome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What happens during summer in the tundra biome?

A

There is 24 hours of sunlight per day

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the flora made up of in the tundra biome?

A

Shrubs, heath, sedge, moss and lichen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the soil like in the tundra biome?

A

Poor in nutrients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How much of the Earth’s surface does the tundra biome cover?

A

20 percent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the 2 types of tundra?

A

Alpine and Polar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the growing seasons in alpine and polar tundra?

A

Polar tundra has a 50-60 day growing season whereas alpine tundra has a 12-14 week growing season

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Where is polar tundra located?

A

Northern hemisphere, areas such as Greenland, Norway and Canada

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where is alpine tundra located?

A

At a high altitude, areas such as the Himalayas, Pyreness and Scandinavian mountains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which type of tundra has the greater biomass and why?

A

Alpine tundra due to the higher latitudes and more isolation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is most precipitation in the alpine tundra in the form of?

A

Snow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are 3 biotic factors of a grassland?

A

Grass, herbivores and insects

17
Q

What are 3 abiotic factors of a grassland?

A

Climate, wind and topography

18
Q

Why are grasslands important to humans?

A

They provide food, fibre, biodiversity and grazing lands

19
Q

What can grasslands also be known as and where are these different types found?

A

Prairies- found in USA, Savannahs- found in North Africa, Pampas- found in South America, Veldt- found in South Africa, Steppes- found in Russia and Mongolia

20
Q

Which continents do grasslands cover the most?

A

Most of Australia can be classified as a grassland and Africa is dominated by grasslands

21
Q

What has greatly impacted grasslands over time?

A

Introduced grazing animals

22
Q

What are grasslands strongly influenced by?

A

Latitude

23
Q

What is the rainfall pattern per year for grasslands?

A

508-1270mm of rainfall per year evenly spread for 6-8 months, followed by a dry period

24
Q

What is the flora and soil like in grasslands?

A

Grasses dominate the flora with some shrubs, usually rich, fertile and deep soil

25
Q

What latitudes are temperate and tropical grasslands found at?

A

Tropical grasslands between 15-23.5° South

Temperate grasslands between 30-45° South

26
Q

Why is there such an abundance of species of life found in the Columbian Rain Forest?

A

It has an ideal climate, plenty of water, food and shelter

27
Q

How many insect species per hectare are there in the Columbian Rain Forest?

A

100,000 per hectare

28
Q

What is a major problem in tropical rainforests?

A

Leaching

29
Q

What is leaching?

A

The washing or dissolving away of water-soluble nutrients from the soil due to rainfall or irrigation

30
Q

What are Australian soils described as?

A

Old, thin, salty and low in nutrients

31
Q

How much of Australia is covered by rainforests?

A

Only 2.5%

32
Q

What are resources that rainforest have provided us for thousands of years with called?

A

Ecosystem services

33
Q

What are the resources that rainforests provide us with?

A

Oxygen production, temperature regulation, drugs, rubber and timber

34
Q

What is the percentage of plant, animal and insect species that live in tropical rainforests?

A

50%

35
Q

What is temperature range in tropical rainforests all year round?

A

Between 26-32°C all year round

36
Q

What latitude range are 90% of tropical rainforest found between?

A

0-23.5° North and South of the equator

37
Q

What is the rainfall and sunlight hours like in a tropical rainforest?

A

2000mm of rainfall per year with a wet and dry season

12 hours of sunlight per day

38
Q

What are the 4 layers of a tropical rainforest from highest to lowest level?

A

Emergent trees, canopy layer, understory and forest floor

Geography 2019 Semester 2 Exam (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions