Chapter 2 Flashcards
(20 cards)
What is a flow of energy that moves from one single species to another single species. There are usually fewer than five levels.
Food Chain
Symbiotic relationship in which both species are benefitted.
Mutualism
The place or area in which an organism lives.
Habitat
An organism that has the ability to make its own food
Autotroph
Organisms that feed on dead organisms and return nutrients to the soil.
Detritivores
A group of populations inhabiting the same place at the same point in time
Community
Symbiotic relationship in which one organism is benefitted while the other is unaffected
Commensalism
An organism that is unable to make its own food and must take in nutrients made by other living things.
Heterotroph
Symbiotic relationship illustrated by a tick and a dog
Parasitism
The role that an organism plays in its environment.
Niche
What does the following represent
Grass –> Grasshopper –> Mockingbird?
Food Chain
What are algae, grasses, and trees?
Producers
Organisms that can produce energy for metabolism without the need for other living things are known as..?
autotrophs
The cycle that requires bacteria on the roots of plants or fungi assistance is the..?
Nitrogen Cycle
How much energy is lost at each trophic level ?
90%
What are the 3 types of symbiosis?
Mutualism,Commensalism,
Parasitism
What is Mutualism?
both species benefit from the relationship
What is Commensalism?
One species benefits, and the other is neither helped nor harmed
What is Parasitism?
One species benefits at the expense of the other
What are the levels of organization from simple to most complex?
Atom (Non-living)
Molecule (Non-living)
Organelle (Non-living)
Cell (Living)
Tissue (Living)
Organ (Living)
Organ System (Living)
Organism (Living)
Population (Living)
Community (Living)
Ecosystem (Both living and non-living)
Biome (Both living and non-living)
Biosphere (Both living and non-living)