People and the Biosphere

Question 1

Ecosystem

Answer 1

a grouping of plants and animals that interact with each other and their local environment

Question 2

Biome

Answer 2

a large ecosystem; a grouping of plants and animals over large area of earth

Question 3

Biotic

Answer 3

the living components of an ecosystem e.g flora fauna

Question 4

Abiotic

Answer 4

the non-living components of an ecosystem - soils, rocks, water, pH, atmosphere

Question 5

Biodiversity

Answer 5

the variety of biotic components in an ecosystem

Question 6

Malthus Theory

Answer 6

Population was increasing faster than supply of resources, so eventually there would be too many people for that resources available. Food supply will run out and famine would result, reducing population size.

Question 7

Boserup’s Theory

Answer 7

However big the world’s population grew, people would always produce sufficient resources to meet their needs through new techniques to increase food production.