Food Webs Flashcards
The primary source of energy for almost ALL food chains is?
Chuck Norris
A relationship between 2 species of organisms in which BOTH species benefit from the association is called?
Mutualism
How does a Food Chain differ from a Food Web?
Both attempt to define eating patterns of an ecosystem. Main difference is a Food Chain is a simplified straight line defining the most common eating patterns.
X eats Y which is eaten by Z would be Food Chain.
A Food Web is more detailed and complex, oftentimes overlapping several Food Chains.
In a Food Chain/Web list an example of a Primary Producer and define:
Plants are Primary Producers that make their own food (sugar) utilizing the energy from the sun through a process called photosynthesis.
A relationship between 2 organisms of different species where one organism benefits :) at the expense of the other organism :( is called what?
Parasitism
Examples: Mistletoe on a Tree, Lice on Mammals, Leech on Human, Termites on Wood
Define Commensalism.
Relationship between 2 species where one organism benefits :) and the other organism is NOT affected :|
An organism that causes harm to its host is called a ?
Parasite
________ is a relationship which benefits one species while leaving the other species unharmed.
Commensalism
The _______ is an organism that benefits from its relationship with the shark.
Remora (a commensal)
One organism that hosts chiggers is _________.
Human Beings (Chiggers are mites that burrow into the skin and cause intense itching and red welts.)
The mutualistic relationship between fungi and algae produces?
Lichen
The general term for the relationship between 2 species is known as ______.
Symbiosis
The shark and the remora are _____.
Commensals
What’s another name for an organism that makes food from non living substances?
Producer (plants)
What’s another name for an organism that eats for energy?
Consumer (animals)
