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ecosystem
brief 2, 3
15
Science
4th Grade
09/25/2011

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Cards

Term
producers
Definition
In an ecoystem plants are called producers because they produce their own food.
Term
consumers
Definition
Organisms that consumeor eat other things are called Consumers.
Term

herbiviore

 

Definition
An herbiviore is an animal that only consumes plants. 
Term
carnivore
Definition
a carnivore is an animal that only consumes other animals
Term
omnivore
Definition
anomnivore is an animal that eats both plants and animals
Term
scavenger
Definition
a scavenger is an animal that only consumes dead plants or animals
Term
predator
Definition
a predator is a carnivore that hunts and kills prey
Term
decomposers
Definition
decomposers are organisems that feed off of dead plants and animals
Term
food chain
Definition
the path of the suns energy takes as it passes from producers to consumers is called a food chain
Term
food web
Definition
a food web is the relation ship between all of the diffrent food chains in one particular ecosystem
Term
brief 3     balance
Definition
balance means that all the living and non living  parts of the enviroment are working the way they are supposed to work
Term
landfill
Definition
a land fill is a huge hole dug in the ground into wich tash is dumped
Term
defosation
Definition
deforsation happens when huge areas of forest are cut down to make room for farms,houses,and/ or roads
Term
brief 3 how an ecosystem changes
Definition
when an animal is endangered, it means that there is a good chance that the species will die out . when an animal is extinct , it means that there are no more of that species  alive on that planet.
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