Environmental 1.3
Orchids grow in tree branches. The orchids receive light, and their roots get water from the air.
Commensalism
Small mites live on your skin, eating dead skin cells.
Commensalism
Tapeworms live in the intestines of cats, where they absorb nutrients from the food the cats eat.
Parasitism
limiting factor
a part of the environment that keeps a population's size at a level below its full potential
commensalism
a relationship between two organisms in which one organism benefits and the other is unaffected
Mutualism
a relationship between two species in which both species benefit
Parasitism
a relationship between two species in which one species, the parasite, benefits from the other species, the hose, which is harmed
Symbiosis
a relationship in which two different organisms live in close association with each other
Predator
an organism that east another organism
Prey
an organism that is killed and eaten by another organism
Barnacles attach themselves to the shells of crabs. The barnacles receive a home and transportation.
commensalism
Bees use a flower's nectar for food, and they carry a flower's pollen to other flowers, allowing the flowers to reproduce.
mutualism
Clownfish live among the poisonous tentacles of a sea anemone. The clownfish are protected from predators, and they keep the sea anemone clean.
mutualism
Dutch elm disease has caused mass destruction of elms. The fungus feeds on materials produced by the elm trees.
parasitism
Carrying capacity
the largest population an environment can support
cooperation
when individuals work together
competition
when two or more individuals or populations try to use the same limited resource
