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Vernon School - 5th Grade Ecology

STUDY
PLAY
ecology
the study of the interactions in an ecosystem
abiotic factors
nonliving things found in an ecosystem
biotic factors
organisms that make up the living part of an ecosystem
ecosystem
made up of organisms interacting with one another and with the nonliving parts of the system
biosphere
largest ecosystem on Earth where organisms can live
biotic factors
bacteria, mosses, mushrooms, snakes, plants, birds, worms
abiotic factors
soil, temperature, water, sunlight
examples of ecosystems
deserts, mountains, rivers, oceans, lakes, forests
Ecosystems are always changing. True or False
True
population
a group of the same type of organisms living in the same place at the same time
community
all the populations that live in an area
limiting factors
things that limit the size of a population (examples, amount of rainfall or food)
niche
the role of an organism in an ecosystem
habitat
the place where an organism lives out its life
endangered species
a species that has so few living members that the entire species may become extinct
threatened species
species that still requires protection, but is not in immediate danger of becoming extinct
producer
an organism that makes its own food (ex. plant)
consumer
an organism that eats other organisms
decomposer
an organism that eats dead organisms and the waste material of other organisms