Transcript Relationships - River Dell Middle School

Relationships
Madison, Krishna, Alice, and
Tae Hee
Symbiotic Relationships

Coevolution- when two
species adapt in response
to selective pressure
imposed by the other
Coevolution
Parasitism

Parasitism- when an organism,
called a parasite, lives off of
another organism, called a host,
where only the parasite is
benefitted and the host is harmed
Mutualism- when two
organisms work together
to survive without causing
harm to each other
Mutualism
Symbiotic Relationships

Predator-Prey- when
one species, called the
predator, attacks
another species, called
the prey, to survive
Predator-Prey
Commensalism- when one
species benefits off of another
species without causing the other
species harm
Commensalism
Human Impact- parasitism,
messing up predator-prey
relationships
Human Impact