Intraspecific and interspecific relations. 2 ESO bilingüe For educational purpose. Anaya digital. Science 2 ESO Oxford CLIL

1. They are the interactions among the living
things in an environment.
Two types: interspecific and intraspecific.

2. Biotic relations I
Interaction among organisms of the
SAME SPECIES.

3. Intraspecific relationships
Intraspecific 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, which
live together. RELATED.

4. Biotic relations II
Interaction among organisms of
DIFFERENT SPECIES.

5. 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.