LC Higher Level Ecology Flashcards
Competition
When organisms actively struggle for a resource that is in short supply
Specific types of competition
Intra-specifc competition
Inter-specific competion
Intra-specific competition
Takes place between members of the same species
Inter-specific competition
Takes place between members of different species
Two main types of competition
Contest competition
Scramble competition
Contest competition
An active physical contest between two individual organism which results in one winner and one loser
Scramble competition
All of the competing individuals get some of the resources.
Predation
The catching, killing and eating of an organism e.g hawk
Parasitism
When two organisms of different species live in close association and one organism obtains its food from ,and to the disadvantage of the second organism
Exoparasites
Parasites that lives on the outside of the host e.g flea
Endoparasite
Parasite that lives inside the host e.g bacteria in human intestines
Symbiosis
When two organisms of different species live in close association and at least one benefits
Mutualism
When two organisms of different species live in close association and both benefit