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Ecology Vocabulary

Vocabulary Words & Definitions

Ecology Study of interactions of living organisms with one another and their environment.
Biotic Describes the living factors in the environment.
Abiotic Describes the nonliving part of the environment.
5 Levels of Environmental Organization Organism, population, community, ecosystem, biosphere.
Organism A living thing.
Population A group of organisms of the same species that live in a specific geographical area.
Community All the populations of species that live in the same habitat interact with each other.
Ecosystem A community of of organisms and their abiotic enviorment.
Biosphere Part of Earth where life exists.
Producer An organism that makes its own food from its surroundings.
Consumer An organism that eats other organisms or organic matter.
Herbivore An organism that eats plants.
Carnivore An organism that eats animals.
Omnivore An organism that eats both plants and animals.
Scavenger An omnivore that eats dead plants and animals.
Decomposer An organism that gets energy by breaking down the remains of dead organisms, organic wastes, and consuming or absorbing the nutrients.
Food Web A diagram that shows the feeding relationships between organisms in a web.
Food Chain Pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms
Limiting Factor A resource so scarce, it limits the population size.
Carrying Capacity The largest population that an environment can support at any given time.
Predator An organism that kills and eats other organisms.
Prey An organism that is killed and eaten by other organisms.
Predator Adaptations Adaptations that help catch prey.
Prey Adaptations Adaptations that help avoid predators.
Symbiosis The organisms that live in close association with each other.
Mutalism A relationship where both organisms benefit.
Commensalim A relationship between two organisms in which one organism benefits, while the other is unaffected.
Parasitism A relationship there the parasite benefits, and the host is harmed.
Created by: 200489681