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science exam end 2018 7th grade gotta get 100 or b in science

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
Created by: moomoodrink


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