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Bio Final Review

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  • breaks down dead organisms.
    decomposer
  • A molecule that carries genetic information.
    DNA
  • Traits passed from parent to offspring.
    inherited
  • A segment of DNA that codes for a trait.
    gene
  • A controlled experiment includes only one variable tested at a time.
    controlled experiment
  • Controls what enters and exits the cell.
    cell membrane
  • The ability of a species to continue to exist over time in a changing environment.
    survival
  • An organism's physical traits.
    phenotype
  • The history of an organism's relatives and lineage.
    ancestry
  • Importance of genetic variation
    helps species adapt to changing environments.
  • A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
    species
  • The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
    natural selection
  • In an experiment testing the effect of fertilizer on plant growth, the independent variable is the amount of fertilizer used.
    independent variable
  • The process of cell division.
    Mitosis
  • The genetic transmission of characteristics from parents to their offspring.
    inheritance
  • The biological process by which new individual organisms are produced.
    reproduction
  • A group of living and non-living things in a shared environment.
    ecosystem
  • A helpful trait that improves survival.
    adaptation
  • Stores water and nutrients in plant cells.
    Vacuole
  • A process that helps plants make food from sunlight.
    Photosynthesis
  • Converts sunlight into energy in plant cells.
    Chloroplast
  • Chromosomes location
    nucleus
  • The variety of life in an ecosystem.
    biodiversity
  • Maintains a stable internal environment.
    Homeostasis
  • The combination of alleles.
    genotype
  • makes its own food and begins the food chain.
    producer
  • Directs cell activities and contains DNA.
    Nucleus
  • Differences in DNA among individuals within a species.
    Genetic Variation
  • The surrounding conditions in which an organism lives and interacts.
    environment
  • Site of protein synthesis.
    Ribosome
  • A change in DNA that can introduce variation
    mutation
  • Characteristics or features of an organism that can be inherited
    traits
  • Produces energy (ATP) from food.
    Mitochondria
  • The dependent variable is what is measured or observed, such as the plant's growth.
    dependent variable
  • The group that does not receive the treatment is the control group.
    control group
  • The change in species over time.
    evolution
  • A diagram used to predict the outcome of a genetic cross.
    Punnett Square
  • The group that does receive the treatment is the experimental group.
    experimental group
  • Scientists record their observations and measurements as data.
    data
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