biotic relations
TRANSCRIPT
BIOTIC RELATIONS
They are the interactions among the living things in an environment. Two types: interspecific and intraspecific.
INTRASPECIFICRELATIONSHIPS
Biotic relations I
Interaction among organisms of the
SAME SPECIES.
Intraspecific relationshipsIntraspecific relationships
Cooperative relationshipsCompetitive relationships
Such as roosters, which fight to get the females.
Gregarious associations
Such as shoals of fish, which search for food together.NOT NECESSARILY RELATED.
Family associations
Like families of monkeys, which take care of the young. RELATED.
Social
Such as ant colonies, which have an ordered work system. HIERARCHY.
Colonial forms
Such as coral colonies, whichlive together. RELATED.
INTERSPECIFICRELATIONSHIPS
Biotic relations II
Interaction among organisms of
DIFFERENT SPECIES.
Interspecific relationships
La competenciaInterspecific competition [- -]
Such as vultures and hyenas, which compete for the same food.
La depredaciónPredation [+ -]
Such as chameleons, which capture prey with their sticky tongue. NOT OBLIGATORY. Predator +, prey -
El parasitismoParasitism [+ -]
Such as ticks, which suck blood in order to feed. OBLIGATORY.
Parasite +, hoster -
El comensalismoCommensalism (and inquilinism) [+ 0]
Such as remoras, which attach themselves to sharks to move.
El mutualismoMutualism [+ +]
Such as lichen: algae produce nutrients and fungi provide humidity.