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summer science 2 7th

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
part of the earth that supports organisms.   biosphere  
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study of interactions among organisms and between organisms and the environment.   ecology  
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all the nonliving features of the environment that help determine which species can survive in the area.   abiotic factor  
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living or once-living features of the environment.   biotic factor  
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all the individuals of one species that live in the same area.   population  
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groups of populations that interact with each other in a given area.   community  
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a biotic community and the abiotic factors that affect it.   ecosystem  
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size of a population that occupies an area of limited size.   population density  
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any biotic or abiotic factor that restricts the number of individuals in a population.   limiting factors  
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the largest number of individuals an environment can support and maintain over a long period of time.   carrying capacity  
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an organism that preys on and consumes animals   predator  
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an organism caught or hunted for food by another organism.   prey  
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organism that cannot make its own food.   consumer  
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organism that can make food.   producer  
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organism, such as fungi or bacteria, that consumes wastes and dead organisms.   decomposer  
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any close relationship between two or more different species.   symbiosis  
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a symbiotic relationship that benefits both species.   mutualism  
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a symbiotic relationship that benefits one partner but does not harm or help the other.   commensalism  
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a symbiotic relationship that benefits the parasite and does definite harm to the parasite’s host.   parasitism  
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physical location where an organism lives.   habitat  
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role of an organism in the ecosystem.   niche  
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model used to describe a series of overlapping food chains.   food web  
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model used to describe the transfer of energy in an ecosystem.   ecological pyramid  
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transfer of nitrogen from the atmosphere to plants and back to the atmosphere or directly into plants again.   nitrogen cycle  
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process in which some types of bacteria in the soil change nitrogen gas into a form of nitrogen that plants can use.   nitrogen fixation  
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destruction and cutting down forests resulting in increased atmospheric Carbon Dioxide levels.   deforestation  
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the rapid depletion of plant life and the loss of topsoil in the desert.   desertification  
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anything that has mass and takes up space.   matter  
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Created by: levis
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