Ecological Factors
What is abiotic factors?
When two or more organisms can live in harmony with each other.
What is symbiosis?
Energy flows in this direction in a food web.
What is from smallest to largest organisms?
Anything that takes up space or has mass.
What is matter?
Steelhead trout prefer and ideal temperature range of 13C to 21C.
What is range of tolerance?
A relationship where one organism benefits at the detriment of the other organism.
What is parasitism?
A wolf and deer are both examples of this type of organism.
What are heterotrophs?
This type of model shows all the ways in which organisms in a given ecosystem are connected.
The exchange of matter through the biosphere.
What is the biogeochemical cycle?
Water in the desert is an example of _________ kind of factor
What is limiting factors?
A relationship where both organisms are gaining from the situation.
Cows, rabbits and grasshoppers are all considered this type of organism.
What is an herbivore?
This type of model looks like a straight line, showing only one organism interacting with its prey/predator.
What is a food chain?
Energy from the sun causes water to evaporate, and cycle through the biosphere.
What is the water cycle?
An organisms ability to survive when subjected to extreme factors.
What is tolerance?
Lichen grows on trees to gain better access to sunlight.
What is commensalism?
Classic ___________ behavior is seen when a polar bear consumes a seal.
What is carnivore?
This type of model includes additional data around the populations or relative number of organisms at each level.
What is an ecological pyramid?
The process of converting nitrogen gas to its more usable form of ammonium.
What is nitrogen fixation?
Consider a bear feasting along a stream, give three biotic factors expected to be present.
What is trees, foliage and fish?
What is brood parasitism?
These types of organisms eat dead and decaying matter. Examples are worms and insects.
What are detritivores?
__________ defines each group or ranking in an energy flow model.
What are trophic levels?
The process of removing nitrogen from the soil so that it can return to the atmosphere.
What is denitrification?