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Ecosystems Grade5

Ecosystems Vocabulary/Definitions

TermDefinition
Community Interaction of all the living things in an area.
Organism Living things like plants and animals.
Population Group of the same type of organism.
Ecosystem All the living things in an area and their habitat.
Habitat Physical place where an organism lives or its shelter.
Biotic Factor Living parts of an ecosystem.
Abiotic Factor Non-living parts of an ecosystem.
Tundra Located near the north and south poles.
Temperate Forest Deciduous (leaves) forest with medium rainfall.
Grassland Large flat area of land covered mostly with tall grass and few trees.
Tropical Forest Abundant rainfall and constant temperatures (rainforest).
Desert Little rainfall and extreme temperature changes.
Aquatic To live in the water instead of on the land or in the air.
Freshwater Streams, lakes, ponds, rivers, lakes, and marshes with low level salt content.
Estuary Place where fresh and salt water meet in a coastal area.
Marine Oceans and seas that have a very high salt content.
Producer Living things (plants) that make food.
Consumer Living things that eat food.
Herbivore Animals that eat only plants.
Carnivore Animals that eat only meat.
Omnivore Animals that eat both plants and meat.
Decomposer Organisms that break down dead plants or animals and return their nutrients to the soil.
Predator An animal that hunts another animal for food.
Prey Animal that is hunted by another animal.
Food Chain Path of energy from the sun, producer, consumer, and decomposer.
Food Web Model that shows several food chains linked together.
Sun Primary energy source in a food chain.
Scavenger An organism that feeds on dead organisms.
Niche The job an organism plays in a habitat.
Competition Contest between organisms for resources.
Lake Large body of fresh water surrounded by land.
Pond Small body of fresh water surrounded by land.
Terrestrial To live or grow on the land instead of the air or water.
Energy Pyramid Shows that less and less food and energy are available as you go from the base of the pyramid to the top.
Flora Plant life within an ecosystem.
Fauna Animal life within an ecosystem.
Prairie Grassland found mainly in the Midwestern United States
Savannah Grassland found mainly in Africa and Australia
Created by: Teaching5th