Ecology Flashcards
What is ecology
The study of an organism and their habitat
Biosphere
The parts of earth inhibited by life
Ecosystem
Organisms interactions with their environment
Community
All organisms in an ecosystem
Population
All the same organisms in an area
Habitat
Place an organism lives
Food chain
Shows the transfer of energy from one organism to the next
Tropic level
Feeding position in a food chain
Niche
The role an organism plays
Pyramid of numbers
Shows the number of organism at each trophies level
Inverted pyramid of numbers
Doesn’t take into account the size of an organism
Abiotic factor
Non living factor affecting organisms
Biotic factors
Living factors affecting organisms
Edaphic factor
Factors relating to soil
Competition
Struggle for a scarce resource
Contest competition
One winner
Scramble competition
All get some resource
Predation
Catching,killing and eating another organism
Parasitism
An organism lives on or in another organism of a different species causing it harm
Symbiosis
A relationship between different species in which at least one benefits
Conservation
Why
Management of the environment
To maintain biodiversity
Pollution
Any harmful addition to the environment
Waste management
Incineration
