33 terms

Module 2: Ecology Vocabulary

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Herbivore
a consumer that eats only plants
Carnivore
a consumer that eats only animals
Omnivore
a consumer that eats both plants and animals
Producer
an organism that uses sunlight directly to make food (plant)
Consumer
an organism that obtains its energy by eating other organisms
Decomposer
an organism that gets energy by BREAKING DOWN dead organisms
Scavenger
organisms that eat DEAD plants and animals
Food Chain
one pathway showing the flow of energy through an ecosystem
Food Web
a diagram that shows multiple food chains in an ecosystem
Energy Pyramid
a triangular diagram that shows an ecosystem's loss of energy
Ecology
the study of the interactions of living organisms with one another and with their environment
Ecosystem
interacting organisms and their abiotic environment
Habitat
the place where an organism naturally or normally lives and grows
Biotic
living factors in the environment
Abiotic
nonliving part of the environment, including water, rocks, light, and temperature
Adaptations
a change an organism makes to live in its environment
Predator
an animal that hunts, kills, and eats all or part of another animal
Prey
an animal that is killed and eaten by another animal
Commensalism
a relationship between two organisms in which one organism benefits and the other is unaffected +/0
Mutualism
a relationship between two species in which both species benefit +/+
Parasitism
a relationship between two species in which one species benefits from the other species which is harmed
Community
the group of organisms or populations living and interacting in a particular environment
Population
a group of organisms of the same species that live in a specific geographical area
Competition
organisms trying to use the same resource, such as food, water, shelter, space, or sunlight
Limiting Factors
a resource that it limits the size of a population
Carrying Capacity
the largest population that an environment can support at any given time
Interdependence
Organisms relying on one another for survival
Organism
any living thing
Primary Consumer
an organism that gets its energy by eating producers
Secondary Consumer
an organism that obtains its energy by eating primary consumers
Tertiary Consumer
an organism that gets its energy by eating secondary consumers; third level consumer
Host
the organism that a parasite feeds off of
Parasite
an organism that gets its nutrition from living on or in another organism (host)
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