the scientific discipline in which the relationships among living organisms and the interaction the organisms ahve with their environment are studied.
some observations and analyses must be made over long periods of time n a process called
allows ecologists to control the number of variables present and to slowly introduce new variable in order to fully understand the effect of each variable
Indigenous Environmental Network (IEN)
directed by Tom Goldtrooth, formed by native Americans to protect their tribal lands and communities from environmental damage
An agreement between the US and other countries to phase out the use of chemical compounds that destroy atmospheric ozone
the portion of Earth that supports life; includes several kilometers below the Earth's surface and several kilometers below the Earth's surface into deep ocean vents.
biotic factors in a habitat for salmon
biotic factors include all organisms that live in the water, such as other fish, algae, frogs, and microscpic organisms
temperature, air or water currents, sunlight, soil type, rainfall or available nutrients
individual organisms or a single species that share the same geographic location at the same time make up a ...
na group of interacting populations that occupy the same geographic area at the same time
the role or position that an organism has in its environment; how it meets its needs for food, shelter and reproduction
a plant that is a predator - has modified leaves that form small traps for insects and other small animals
the close relationship that exists between two or more organisms that live closely together and benefit from each other
a relationship in which one organism benefits and the other organism is neither helped nor harmed
algae and fungi where algae provides food for fungi and fungi provide a habitat for the algae
clownfish receives food from and protection while sea anemones are not harmed (and do not benefit from the relationship)