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crimtime
science exam end 2018 7th grade gotta get 100 or b in science
| Term | Definition |
|---|---|
| change | when something becomes different over time |
| competition | when two or more populations use the same resource, such as the same food source |
| consumer population | a population that eats organisms from another population |
| ecologist | a scientist who studies the interactions of organisms with each other and their environment |
| ecosystem | all the living and nonliving things interacting in a particular area |
| energy | the ability to make things move or change |
| energy storage molecule | a molecule that organisms can use to release the energy needed to survive |
| food web | a model that shows what eats what in an ecosystem |
| glucose | a molecule that organisms can use to release energy, and that is made of carbon, hydrogen, and oxygen atoms |
| indirect effect | the result of one cause leading to an effect that causes one or more other effects |
| molecule | a group of atoms joined together in a particular way |
| organisms | living things, such as plants, animals, and bacteria |
| population | a group of the same type of organism living in the same area |
| resource population | a population that is eaten by organisms from another population |
| sample | a small part that is meant to show what the whole is like |
| amino acids | molecules that are the building blocks of proteins |
| carbon dioxide | a molecule made of carbon and oxygen atoms |
| cellular respiration | the chemical reaction between oxygen and glucose that releases energy into cells |
| carbon dioxide |
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moomoodrink
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