Biomes And Food Security Flashcards
Types of natural biomes
Forest, tundra, grassland, desert, and aquatic
How are biomes distributed?
- depends on how close area is to water
- biomes correlate to the type of climate
- how close to the equator
How do biomes differ and why?
Since biomes are controlled by their location, distance from: equator, sea, prevailing winds, and mountains, each one has unique characteristics and aspects.
List some characteristics of a tropical rainforests
-High temperatures
-most diverse ecosystem
- help regulate earths climate
Humid and heavy rainfall
List some characteristics of a grassland
- Dominated by grass
- wide and open
- inhabited by grazing animals
List some characteristics of a tundra
- coldest regions of the world
- most vulnerable to global warming
- grass, dwarf shrubs, and lichen
List some characteristics of a desert
- dry
- extreme temperatures
- most animals are nocturnal
- very little precipitation
List some characteristics of a aquatic biome
- occupies 3/4 of the earth
- full of plants and animals
- salt or freshwater
How have people altered earth to produce food?
Food irrigation, land clearing, greenhouses, fertilisers, raised animals.
Biome
A large naturally occurring community of flora and fauna occupying a major habitat.
Arable
Describes land that can be used for growing crops
Biodiversity
The number and variety of organisms found within a certain location.
Biosphere
The living part of earth
Deforestation
Clearing forests to make way for housing or farming.
Degradation
Deterioration of lands quality and worth
Prairie
Native grasslands in North America
Urbanisation
The growth and spread of cities
Sustainable
Describes the use by people of earths resources at a rate that there is enough being produced.
Subsistence
Farming that provides food for only the farmers family leaving little to sell.
Per capita
Per person
Horticulture
The practice of growing fruits and vegetables
Irrigation
Providing water where there is a low natural source
Malnourished
Someone not getting the right amount of nutrients
Genetically modified
Crops that have an altered DNA
Hydrosphere
All the bodies of water on earth
Lithosphere
Rigid outer part of the earth: crust