Terms
The portion of the earth that supports life
Biosphere
Name one of the three types of community interactions.
Competition, Predation, or Symbiotic
Individual organisms of a single species that share the same geographic location at the same time make up a what?
Population
What is defined as the ability to cause change, but cannot be created or destroyed, only transformed?
Energy
Trophic Level
The role or position that an organism has in its environment is called
Niche
The act of one organism pursuing and consuming another organisms for food is called
Predation
The smallest level of organization, such as a fish is called?
Organism
An organism that collects energy from sunlight or inorganic substances to produce food is called
A model representing the many interconnected food chain and pathways in which energy flows through a group of organisms specifically focusing on feeding relationships is called
Food Web
The close relationship that exists when two or more species live together is called
Symbiosis
The interaction that occurs when more than one organism uses a resource at the same time is called
Competition
A biome
An organism that gets its energy by consuming other organism is called
Heterotroph
What basic model that shows how energy flows through an ecosystem is called
Food chain
Largest group of ecosystems that share the same climate and have similar types of communities
Biome
Both organisms benefiting from one another is called
Mutualism
A group of interacting populations that occupy the same geographic area at the same time is called?
Biological Community
Organisms that eat both plants & animals are called
Omnivores
The total mass of living matter at each trophic level is called
biomass
The ability of any organisms to survive when subjected to abiotic or biotic factors is called
Tolerance
What is it when one organism benefits, but the other organism is neither helped nor harmed?
Commensalism
List the levels of organization in the correct order from smallest to largest.
Organism, Population, Biological Community, Ecosystem, Biome, Biosphere
A worm is classified as what type of heterotroph
Detritivore
The relative number of organisms at each trophic level ______ at each level to support organisms
Decreases