homework questions Flashcards
(44 cards)
What is food insecurity ?
When people don’t have access to sufficient, safe and nutritious food
When a country doesn’t have enough food it is called…
Food deficit
Low-tech strategies to increase food supply are called…
Appropriate technology
“Applying water to land in order to supply crops and other plants with necessary water” is the definition for…
Irrigation
What is it called when people don’t revive enough nutrients ?
Undernutrition
“The measure of a person’s economic and social wellbeing” is the definition for…
Quality of life
What is renewable energy ?
Energy that will not run out (example- wind)
What is the definition for resource ?
A stock or supply of something that has a value or purpose
What is non-renewable energy ?
Energy that will run out (example- coal)
True or false ? The UK’s energy mix is increasingly composed of renewables
True
“The amount of resources that are used by a person, place or country” is the definition for…
Resource consumption
What is the name of plants that grow on the surface of other vegetation, taking moisture and nutrients from the air, rain, water and debris around it ?
Epiphytes
Why are the four layers of the rainforest?
Forrest floor, undercanopy, canopy, emergent layer
True or false ? High temperatures cause rapid transfer of nutrients through decomposition in the tropical rainforest
True
True or false? Soils in the tropical rainforest are not very fertile
True
True or false? Soils in the tropical rainforest are not very fertile
True
What are tropical rainforests located along the equator?
Low pressure causes high temperatures and rainfall all year
What are tropical rainforests located along the equator?
Low pressure causes high temperatures and rainfall all year
What are the three stores of the nutrient cycle called ?
Biomass, litter, soil
What is the name of the model that showed the flows and stores of nutrients in an ecosystem?
Nutrient cycle
What is the name of the process whereby water removes nutrients from soil?
Leaching
Which country in east Africa suffered a famine in 2023 ?
Somalia
What is the goal of an agribusiness?
To maximise yields and minimise costs
What does surplus mean ?
More of something than you need .