Topic 19 Flashcards
Food chain
Showing the transfer of energy from one organism to the next, beginning with producers.
Trophic level
The position of an organism in a food chain, food web, pyramid of numbers of biomass.
Food web
A network of interconnected food chains.
Producer
An organism that makes its own organic nutrients, usually using energy from sunlight, through photosynthesis.
Consumers
An organism that gets its energy by feeding on other organism.
Herbivore
An animal that gets its energy by eating plants.
Carnivore
An animal that gets its energy by eating other animals.
Decomposer
An organism that gets its energy from dead or waste organic material.
Population
A group of organisms of on species, living in the same area, at the same time.
Community
All of the populations of different species in an ecosystem.
Ecosystem
A unit containing the community of organisms and their environment, interacting together.