Grade 7 ecosystems

habitat
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Terms in this set (25)
habitat
Place where an organism lives
Community
All the different populations that live together in an area
environment
the surroundings or conditions in which a person, animal, or plant lives or operates.
abiotic factors
Nonliving components of environment.
biotic factors
All the living organisms that inhabit an environment
Ecosystem
A biological community of interacting organisms and their physical environment.
Biodiversity
the variety of life in the world or in a particular habitat or ecosystem.
Biome
A group of ecosystems that share similar climates and typical organisms
Herbivore
A consumer that eats only plants.
Carnivore
A consumer that eats only animals.
OmnivoreAn animal that eats both plants and animalspredatorAn animal that hunts other animals for foodpreyAn organism that is killed and eaten by another organismProducerAn organism that can make its own food.ConsumerAn organism that obtains energy by feeding on other organismsprimary consumerAn organism that eats producerssecondary consumerAn organism that eats primary consumersTeritiary consumerseat secondary consumersquaternary consumerCarnivore that eats tertiary consumers.top carnivorecarnivore at the top of the food chainfood chainA series of steps in which organisms transfer energy by eating and being eatenfood webA community of organisms where there are several interrelated food chainsPopulationA group of individuals that belong to the same species and live in the same areaBiomassA measure of the total dry mass of organisms within a particular regionDecomposerAn organism that breaks down wastes and dead organisms