Environment And Plants Flashcards
Food security
Availability of food and the ability to obtain it
Yield
Amount of useful product
Pesticide
Chemical applied to crops to destroy pests that damage crops
Monoculture
When a single crop is grown in a large field
Niche
Role of an organism in its ecosystem
Symbiosis
When both organisms in a dependant relationship benefit
Commensalism
Type of symbiosis where one organism benefits but the other is harmed
Competition
Struggle between different organisms for survival
Endangered
Where there are so few of a species left that it could disappear altogether
Biodiversity
The range of different organisms within an ecosystem
Extinct
When a species of an organism has died out
Vulnerable
When the number of a species drops very low
Captive breeding
When animals are bred in zoos and wildlife reserves to try to conserve species
Fertiliser
A chemical put on on soil to increase soil fertility and allow better growth of crop plants
Insecticide
Chemical applied to crops to destroy insects that damage crops
