Consumer - organism that eats other organisms for energy, Producer - Organism that makes its own food by doing photosynthesis, Sun - Main source of energy for all ecosystems, Cell membrane - Part of plant and animal cells that controls what enters and leaves the cell, Nucleus - Part of plant and animal cells that is the control center, where most DNA is found, Cytoplasm - "filling" of the cell that surrounds and protects all organelles, Heredity - the passing of traits from parents to offspring, Chromosomes - thread-like structures made of coiled up DNA. They come in pairs., DNA - The molecule of life, Gene - A segment of DNA. It contains instructions to make proteins which determine traits., Biotic factors - living parts of an ecosystem, Abiotic factors - non-living parts of an ecosystem , Mutation - random change in DNA, Beneficial - word that means "favorable or good", Harmful - word that means "likely to cause harm", Offspring - another word for an organisms' child or children, Punnet - ____ Square: tool to predict inherited traits in offspring, Adaptation - a trait that helps an organism survive, Natural Selection - the organisms' who are best adapted to their environment survive and reproduce, Trait - another word for characteristic , Atoms - all things are made of _____, Cells - all living things are made of ____, Trophic level - steps in a food chain that that organize organisms by feeding relationships, Mitochondria - "powerhouse" of the cell, Double - _____ helix: the shape of DNA,

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