photosynthesis
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each of the black spaces below before clicking
on it to display the answer.
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| autotroph | (“self”) an organism that makes its own food, a producer. They include plants, other organisms such as algae & few bacteria
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| Heterotroph | (“other”) an organism that CANNOT make its own food, a consumer
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| A producer can also be called ______ | autotroph
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| A consumer can also be called ______ | heterotroph
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| T/F some organisms absorb their food from other organisms | TRUE; some heterotrophs such as fungi
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| nucleus | the organelles that acts as the cell’s control center and directs cell’s activities
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| chloroplasts | organelles that capture energy from sunlight and use it to produce food for the cell
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| mitochondria | organelles that convert energy in food to energy that cells can use to carry out their functions
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| What is plant food? | fertilizer that contains minerals such as potassium, Calcium, phosphorus. It helps plants grow, but does not supply them with energy!
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| What would happen if you put a small seedling in darkness? | it grows very little since it cannot make its own energy
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| Photosynthesis | the process by which a cell captures energy in sunlight and uses it to make food
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| T/F most living things obtain energy from the sunlight captured during photosynthesis | TRUE. Some obtain energy directly (grass) while others obtain energy indirectly (zebra, lion)
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| Explain photosynthesis | process whereby plants/other organisms absorb sun’s energy & use it to convert carbon dioxide and water into sugars and oxygen
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| First stage of photosynthesis | Energy from sunlight captured + water in chloroplasts is split into hydrogen and oxygen (waste)
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| Second stage of photosynthesis | cells produce sugar using hydrogen obtain from stage one photosynthesis + CO2 from air
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| Sugars are a | type of carbohydrate
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| Where does photosynthesis occur? | mostly in the leaves; within the green organelle called chloroplasts
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| What is the main pigment for photosynthesis | chlorophyll
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| Explain relationship between chlorophyll and chloroplasts? | chlorophyll is found in chloroplasts
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| State the photosynthesis equation | light energy + 6 CO2 + 6 H2O ——> C6H12O6 + 6 O2
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| What are the raw materials of photosynthesis? | Carbon dioxide and water
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