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general science 10
Question | Answer |
---|---|
criteria for life #1 | all life forms contain dna |
criteria for life #2 | all life forms have a method by which they take energy from the surroundings |
criteria for life #3 | all life forms can sense changes in their surroundings and respond to them |
criteria for life #4 | all life forms reproduce |
atom | the smallest stable unit of matter in creation |
molecule | two or more atoms linked together to make a substance with unique properties |
the process by which a plant uses the energy of sunlight and certain chemicals to produce its own food | photosynthesis |
the process by which a living organisms take energy from its surroundings and use it to sustain itself, develop, and grow | metabolism |
special structures or chemicals that alow living organisms to sense conditions of their surroundings | receptors |
cell | the smallest unit of life in creation |
the three kinds of cells | animal, plant bacteria |