Biomes and Food Security

What is a biome?

• very large ecological areas on the Earth's surface

• the amount of rain received in a year

• the temperature and rainfall patterns of an area

What are the 3 major biomes in Australia?

• deserts, tundra and tropical rainforest

• deserts, grasslands and tropical rainforests

• deserts, conifer forests and oceans

How much rain do deserts receive each year?

• less than 50cm of precipitation per year

• less than 100 cm of precipitation per year

• less than 200 cm of precipitation per year

What is an advantage of slash and burn farming?

• cheap, easy and effective

• more room for housing

• ash provides nutrients for the soil

A savannah is a type of grassland that...

• requires little rain as it's mostly grasses

• requires large amounts of seasonal rain, then drought

• requires large amounts of rain as it is used for farming

Which plant has the ability to store water?

• oak tree

• red cedar

• cactus

What is deforestation?

• irrigation of trees

• clearing of trees

• planting of trees

Forests are...

• dominated by trees and woody vegetation

• cover 1/3 of the Earth's surface

• found mainly in Australia, New Zealand and England

Humans majorly impact biomes by...

• deforestation and pollution

• deforestation and agriculture

• pollution and climate change

What is agriculture?

• the growth and raising of specific plants

• farming of animals

• the growth of food for people