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Ecosystem and Biome

TermDefinition
ecosystem A community and its physical environment and how the two interact
biome A large scale ecosystem
community All the populations of organisms living in the same environment
habitat A place in an ecosystem where a population lives
niche The role each population has in its habitat
consumer An organism in a community that must eat to get the energy it needs
decomposer A consumer that breaks down the tissues of dead organisms. Also known as recyclers
producer An organism that makes its own food
food web Shows the interaction among many different food chains in a single ecosystem
food chain The way energy is transferred through organisms in an ecosystem. Organisms eat other organisms in the ecosystem.
grassland A biome whose main plants are grasses
coniferous forest/taiga A biome with mountainside forests and tall, narrow trees that grow close together, have thick bark and pine needles
tundra A treeless biome between the icecap and the tree line of the arctic regions; has permanently frozen subsoil
biotic Having to do with life, living organisms, or caused by living organisms
abiotic NONLIVING things in an ecosystem (sunlight, air, weather, water, soil, etc.)
predator An organism that lives by preying on other organisms
organism A form of life, such as a plant, animal, or bacterium
marine/ocean Of or relating to the sea
freshwater Of, or relating to living in water that isn’t salty
estuary The place where freshwater and salt water mix
desert A biome with less than 10 in of rainfall per year.
population All the individuals of the same kind, living in the same environment
herbivore An animal that eats only plants as food
carnivore An animal that eats only other animals as food
omnivore An animal that eats both plants and animals as food
prey An animal that is hunted, killed and eaten by a predator animal
energy pyramid Shows the amount of energy that is available to pass from one level of the food chain to the next
tropical rainforest A biome with lots of rainfall, sunlight, high temperatures, and trees
deciduous forests A biome with trees that lose their leaves each fall
endangered species A population of organisms that is likely to become extinct if steps are not taken to save it
Created by: mrstwilliams
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