Lecture 5.2 Flashcards
Interaction between organisms and their environment
Ecology
groups of populations that are interacting
Community
the living together of two or more different kinds of organisms, more or less permanently
Symbiosis
when one individual is neutral about the interaction and one benefits
Commensalism
The plant example of commensalism mentioned in lecture
Epifights: fungus growing on another plant
A living arrangement in which an organism lives on or in an organism of a different species and derives nutrients from it.
Parasitism
Plant example of parasitism mentioned in lecture
Mistletoe grows naturally as a plant parasite
when two organisms benefit each other
Mutualism
What is the mutualistic relationship of pea plants and nitrogen fixing bacteria
The pea plant gets a bunch of nitrogen and the bacterium gets a place to live and some sugars.
a species of special importance in a community. Ex) Beavers influence is huge on where they live
Keystone species
Interaction between organisms for a limited but required resource
Competition
a form of competition in which individuals of different species compete for the same resource in an ecosystem
Interspecific
Competition between organisms of the same species
Intraspecific competition
an organisms functional role in a community
Niche
the entire niche of the organisms, everything it could potentially do
Fundamental niche