9.1 9.2 9.3 Natural Ecosystems Flashcards
Abiotic Factor
A non-living factor of the environment
Biotic Factor
A living factor of the environment
Commensalism
Relationship of two organisms where one benefits and the other is unharmed
Community
All the living organisms in one ecosystem
Competition
Where two organisms are trying to use/get one source
Ecology
The study of how organisms interact with each other and their environment
Ecosystem
A place where an organisms physical factors are balanced to form a stable enviroment
Ectothermic
Animals that obtain heat from outside there body
Endothermic
Animals that have the ability to obtain heat from inside the body
Environment
All the factors in an organisms environment
Habitat
A place where an organisms lives
Interdependence
Relationship where two organisms rely on each other for survival
Mutualism
Relationship between two organisms, living closely together, both benefits
Parasitism
Relationship where one is living on another and feeds of it
Photosynthesis
The process in which plants make food
Physical Factor
Non living factor - abiotic
Predation
Relationship where one organism kills the other
Biodiversity
The range of different species
Ecological Footprint
An area of land or water that needs to be provided for survival
Keystone species
Species that are critical for survival in an ecosystem
Adaptation
A feature that an organism has to enable to survive
Productivity
How well an environment supports life
Pyramid of Biomass
A diagram that shows the total mass of organisms at each stage of a food chain
Chemical pollution
Chemicals escaping into the environment that harms it
