Ecology Questions and Answers 100%
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Food Chain
The series of steps by which energy is obtained, used, and transformed by organisms
Abiotic
non-living factors of an ecosystem
Biotic
living factors of an ecosyst
...
Ecology Questions and Answers 100%
Pass
Food Chain
The series of steps by which energy is obtained, used, and transformed by organisms
Abiotic
non-living factors of an ecosystem
Biotic
living factors of an ecosystem
Producer
organisms that use energy the sun to obtain and store energy for themselves
Consumer
organisms that cannot make their own food; depend on other organisms for food
Carnivore
animals that only consume other animals for energy
Primary Consumer
organisms that make up the secondary trophic level; only eat producers, often herbivores
Secondary Consumer
organisms that make up the third trophic level; eat the primary consumers; may be carnivores or
omnivores
Tertiary Consumer
organisms that make up the top trophic level; carnivores
Herbivore
animals that only consume plants
Omnivore
animals that consume both plants and animals
Decomposer
organisms that use other dead or decaying organisms as a source of energy; recycle matter for
producers to use; critical in thecarbon cycle
Scavenger
organisms that obtain energy from dead organisms or from waste products of living organisms
Trophic Level
Position occupied by an organism in an energy pyramid of an ecosystem
Autotroph
term for an organism that is able to produce its own energy
Heterotroph
term for an organism that must consume other organisms to obtain energy
Population
group of the same species of organisms that share the same environment
Limiting Factor
limits how many members of a population can be supported (nutrients, energy, disease, and
living space)
Carrying Capacity
Number of individuals a given environment can support
community
All populations that live and interact with each other in a particular place.
ecosystem
consists of living and non-living elements in a given area
niche
the role an organism or species plays in a community
habitat
a specific, physical location that provides all that is needed for a species to survive
biosphere
all the parts of the planet that are inhabited by living things; sum of all Earth's ecosystems
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