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Cells & Heredity 2.1
Review of Cells & Heredity Lesson 1 of Chapter 2 (Photosynthesis)
| Question | Answer |
|---|---|
| The process by which plants and other autotrophs capture and use light energy to make food from carbon dioxide and water | photosynthesis |
| An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food | autotroph |
| An organism that cannot make its own food and gets food by consuming other living things | heterotroph |
| A green phtosynthetic pigment found in the chloroplasts of plants, algae, and some bacteria | chlorophyll |
| An organelle in the cells of plants and other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food | chloroplast |
| The small opening on the underside of leaves that facilitates gas exchanges (carbon dioxide enters the leaf and oxygen leaves the leaf through these) | stomata |
| These move water from the roots to the rest of the plant | xylem |
| another name for autotroph (organisms that make their own food) | producer |
| another name for heterotroph (organisms that obtain food by eating other organisms) | consumer |
| Every living thing needs... | energy |
| Some organisms, like grass, get their energy DIRECTLY or INDIRECTLY from the sun | directly |
| Some organisms, like you, get their energy DIRECTLY or INDIRECTLY from the sun by eating organisms that have stored energy through photosynthesis | indirectly |
| The plant captures the sun's energy | Stage 1 |
| The plant uses the sun's energy to make food | Stage 2 |
| Where does photosynthesis take place in the plant? | leaves |
| What are the raw materials of photosynthesis? | carbon dioxide and water |
| What are the products of photosynthesis? | oxygen and sugar |
| What is another name for the sugar produced from photosynthesis? | glucose |
| Greek root "chloros-" means | pale green |
| Greek root "phot" means | light |
| Greek root "synth" means | to put together; make |
| Greek root "troph" means | food |
| Greek root "auto" means | self |
| Greek root "hetero" means | other |
| What is split during photosynthesis which allows oxygen to be given off as a waste product and provides hydrogen to be used in stage 2? | water |
| During photosynthesis energy from ____________ is captured by the chlorophyll in the leaves of plants | sunlight |
| What color is most reflected by chlorophyll? | green |
| What part of the plant plays an important role in photosynthesis because it takes up the necessary water? | roots |
| Oxygen is a __________ _____________ of photosynthesis | waste product |
| Photosynthesis is a chemical _____________ | reaction |
| This is the chemical formula for glucose: | C6 H12 O6 |
| The arrow in a chemical equation means... | yields |
| The materials on the left side of the arrow in a chemical equation are the | reactants |
| The materials on the right side of the arrow in a chemical equation are the.... | products |
| Because matter is neither created nor destroyed; it is always conserved. That is why the total number of atoms of each element MUST be the _____________ on both sides of the equation. | same |
Created by:
rozziebobble