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Science 5.10-11

matter & energy

TermDefinition
Energy needed to do work; causes change
chemical process The process that changes the atomic or molecular structure of the involved materials by altering atoms and molecules
plant matter A biomass produced by plants
bacteria Microorganisms that can be found everywhere - can break down any type of organic matter - important as decompoers - Can be dangerous, such as when they cause infection
decomposer Organism that consumes dead or non-living biomass without needed internal digestion - carry out the natural process of decomposition
food web interconnected set of food chains - the job of a food web is to show how all these organisms are connected
fungi play an important role in nature - They break down the unused dead material and turn them into nutrients in the soil, which plants use to grow - Fungi and bacteria
producers Organisms that get energy from the Sun - they produce their own food - Plants are called producers
consumers can't directly use suns energy - cannot make their own food - have to consume (eat) other organisms
carbon dioxide a colorless odorless incombustible gas found in the earth's atmosphere
organisms an individual single-celled living being - animal, plant
cells basic unit of all living things
food web and food chain sound like the same thing, but they aren't - food chain goes from top to bottom: hawk eats snake eats frog eats grasshopper eats grass - food web shows the different ways these organisms are connected. A hawk might also eat a rabbit or a mouse or a frog.
Created by: lauryn07
 

 



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