Biomes and Food Security

The vegetation in biomes is vital to life on earth because:

• plants are the basis of all food chains
• plants capture sun's energy & convert this to food
• it provides habitats for animals
• All of the above

Which are examples of 'staple foods'?

• rice, wheat, cassava, maize
• cassava, truffles, maize, potato
• wheat, water, water buffalo
• beetroots, parsnips, spring onions

When all people at all times have access to sufficient, safe & nutritious food...

• food insecurity
• food insurance
• malnutrition
• food security

Which of these nations have a low risk of food insecurity?

• China, India, PNG, Indonesia
• UK, Sth Africa, Madagascar
• UK, USA, Canada, Australia
• Uganda, Cambodia, Angola

Undernutrition is...

• where an excess of nutrients are eaten by someone
• when a child in the USA refuses to eat their dinner
• is the same thing as malnutrition
• where there is insufficient intake of energy & nutrients

Changes to land that reduce the potential to produce crops...

• land degradation
• traditional agriculture
• land aggradation
• land enclosures

Environmental causes of land degradation include...

• poverty, urban sprawl, deforestation
• deforestation, bio-industries, poverty
• overgrazing, deforestation, agriculture
• agriculture, urban sprawl, poverty

Economic causes of land degradation include...

• urban sprawl, poverty, growing cities
• deforestation, land clearance
• bio-industries, overgrazing, poverty
• agriculture, urban sprawl

On which continent is overgrazing the major contributor to soil degradation?

• Africa
• Nth America
• Asia
• Australia

What are the 3 major biomes in Australia?

• deserts, tundra and tropical rainforest

• deserts, grasslands and tropical rainforests

• deserts, conifer forests and oceans