ECOLOGY

SPECIALIST

• A specialist species can only thrive in a narrow range of environmental conditions or has a limited diet.

GENERALIST

• A generalist species is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources

CONFORMER

• Any organism whose internal environment is highly influenced by external factors.

REGULATOR

• Any organism that can maintain a constant internal environment largely independently of the external environment

MUTUALISM

• A relationship that is mutually beneficial to two organisms

PARASITISM

• A relationship between species, where one species, the parasite, benefits at the expense of the other, the host.

COMMENSALISM

• A relationship between individuals of two species in which one species benefits from the other without either harming or benefiting the other organism

PREDATION

• A biological interaction where a predator (an organism that is hunting) feeds on its prey (the organism that is attacked)

COMPETITION

• An interaction between organisms or species in which the fitness of one is lowered by the presence of another