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science cards 4.1
Question | Answer |
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photosynthesis | the act of gathering energy from the sun |
autotroph | any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists. |
heterotroph | an organism requiring organic compounds for its principal source of food. |
pigment | any substance whose presence in the tissues or cells of animals or plants colors them. |
chlorophyll | the green coloring matter of leaves and plants, essential to the production of carbohydrates by photosynthesis, and occurring in a bluish-black form, |
stomata | Also, stomate. Botany . any of various small apertures, especially one of the minute orifices or slits in the epidermis of leaves, stems, etc., through which gases are exchanged |