Geography

Question 1

What are biomes?

Answer 1

Areas of our planet with similar climates, landscapes animals and plants.

Question 2

What is an ecosystem?

Answer 2

A natural system that comprises a community of plants and animals that interact with each other and their physical environment.

Question 3

What is adaptation?

Answer 3

When a plant or animal becomes better suited to its environment to improve its chances of survival.

Question 4

Define indigenous.

Answer 4

Indigenous is a person / people who originate from a particular region or country who choose to remain living in their ancestral home.

Question 5

Name two adaptations of plants in the rainforest.

Answer 5

1. ) Buttress roots - large roots to support tall trees in shallow soils.
2. ) Drip tips - plants have leaves with pointy tips. This allows water to run off leaves quickly without damaging or breaking them.

Question 6

Explain the steps of the rainforest nutrient cycle.

Answer 6

Trees shed leaves all year round 
Decaying vegetation decomposes rapidly
Nutrients enter the soil
Shallow roots take up the nutrients
Trees grow rapidly
Aaaaand repeat.

Question 7

What are three negative impacts of deforestation?

Answer 7

Soil erosion - land cleared of vegetation which causes the nutrient cycle to stop
Loss of biodiversity - plants / animals cannot survive in cleared areas
Climate change - fewer trees to absorb carbon dioxide

Question 8

What are three threats to tropical rainforests?

Answer 8

• Farming
• Logging
• Mining

Question 9

Where in the world are rainforests found?

Answer 9

Along or near the equator.

Question 10

Order all of the rainforest layers from highest to lowest.

Answer 10

• The emergent layer
• The canopy layer
• The understory layer
• The forest floor

Question 11

What is climate change?

Answer 11

Any change in global temperature or rainfall over times, due to natural or human activity.

Question 12

What is the greenhouse effect?

Answer 12

When gases trap heat in the atmosphere, causing the world to warm up.

Question 13

What is global warming?

Answer 13

The gradual warming up of the Earth’s atmosphere.

Question 14

What are greenhouse gases?

Answer 14

Gases in the atmosphere that absorbs heat energy and prevents it from escaping into space.

Question 15

What are three natural causes of climate change?

Answer 15

• The Orbital theory (change in orbit / tilt of the earth)
• The Sunspot theory (more / less sunspots on the sun)
• The Eruption theory (volcanic dust in the atmosphere cooling the world down)

Question 16

What are three human causes of global warming?

Answer 16

• Fossil fuels (the burning fossil fuels releasing carbon dioxide and other pollutants)
• Agriculture (methane from cows and nitrogen from fertilisers)
• Deforestation (less trees to absorb carbon dioxide)

Question 17

What are two impacts of climate change on the uk?

Answer 17

• Rising sea levels

- Warmer summers

Question 18

What are three global impacts of climate change?

Answer 18

• Rising sea level
• Spread of malaria due to warmer temperatures
• Water shortages

Question 19

What evidence of climate change is there?