S4.4.2 Glossary Flashcards
Abiotic factors
Environmental factors which are non-living
Abundance
How many organisms are found in an area
Biodiversity
The variety of species in an area
Biotic factors
Environmental factors which are living
Competition
When multiple organisms are trying to obtain limited resources
Distribution
Where organisms are found in an area
Ecosystem
The abiotic and biotic factors in an area
Feeding relationship
When organisms eat or are eaten by other organisms
Habitat
The place where an organism lives
Interdependence
All organisms in an area depend on each other for survival
Organism
A living thing
Photosynthesis
A process by which plants use energy from the Sun to make glucose
Pollution
Contaminating air, water or land with harmful substances
Population
The number of individuals of a species in an area
Predator
Animal that hunts other animals for food
Prey
Animal that is hunted by other animals
Primary consumer
The first consumer in a food chain
Producer
An organism that makes its own food
Quadrat
A square frame used to sample organisms on the ground
Sampling technique
Used to estimate distribution and abundance of organisms in an area
Secondary consumer
The second consumer in a food chain
Species
Similar individuals which can reproduce to produce fertile offspring
Tertiary consumer
The third consumer in a food chain
Transect
A line across an area
