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7th grade ecology

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ecology   the study of interactions and changes in the environment  
ecosystem   all the biotic(living) and abiotic(nonliving) parts of a particular area  
producers   green from the presence of chloorophyll: plants, algae. the source of all food in the ecosystem  
consumers   must eat another organism  
primary consumers   (herbivores)feed on green producers  
secondary producers   (carnivores) pret on primary consumers/herbivores  
omnivores   consume both plant material and flesh  
decomposers   break down dead, decaying tissue(plant or animal)  
food chain   one path of energy flow  
food web   all the food chains in an ecosystem interconnected  
niche   unique role an organism plays in an ecosystem  
symbiosis   a close relationship between 2 different organisms where at least one benefits  
adaptation   the ability to change in order to succeed in an ecosystem  


   


 

 

 

 

 

 
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