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Parkway 5th Grade

Ecosystem Test Study Guide

Decomposer "Feeds on" dead or decaying matter; bacteria, fungi, mold
Carnivore A consumer that eats only meat and/or flesh from animals
Herbivore A consumer that eats only plants and plant parts
Consumer Organisms that eat producers
Producer Bottom of the food chain; green plants
Biotic factors Living parts of an ecosystem
Ecosystem All of the living and non-living parts in a certain area that live and depend on one another
Grassland A biome that contains a few small trees and tall grasses
Taiga Biome below the tundra; long winters, broad belt of evergreen trees
Deciduous forest Forest with broad leaf trees; leaves change colors and fall off
Coniferous Forest Forest with mostly evergreen trees that produce cones
Abiotic Factors Non-living parts of an ecosystem (air, water, temperature, soil, etc.)
Estuary Water that is a mix of fresh water and salt water
Symbiosis Name given when two or more organisms live in or on one another
Mutualism A relationship where organisms live together and both of them benefit
Parisitism Relationship where organisms live together and one benefits,but the other is harmed
Commensalism Relationship in which organisms live together and one is helped, but the ohter is not affected at all
Photosynthesis Process whereby green plants make their own food
Oxygen Gas released by green plants into the air
Carbon Dioxide Gas that animals breathe out that is needed by plants to make their food
Omnivores Consumers that eat both plants and animals
Habitat The "home" used by a population of animals
Predator An organism that eats other organisms in order to live
Prey An organism that is eaten by another organism
Deforestation The clearing of forested land
Created by: moorelf