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science lesson 2
unit 2 lesson 2
| Question | Answer |
|---|---|
| what transports materials and provides support to the plant body? | a vascular system |
| what are plants called that do not have a vascular system? | nonvascular plants |
| what protects the plant | dermal tissue |
| what transports materials | vascular tissue |
| what provides support and storage | ground tissue |
| what are leaves, stems and root examples of | plants organs |
| what are the 2 organ systems | root and shoot |
| what does the shoot system include | leaves, stems, flowers |
| what does the root system take up | water and nutrients from the soil |
| what do plants make their food from | energy from sunlight |
| the process that uses energy from sunlight to convert water molecules and carbon dioxide into sugars and oxygen | photosynthesis |
| main site of photosynthesis | a leaf |
| what are two kinds of vascular tissue | xylem and phloem |
| what flows through the xylem | water |
| what flows through the phloem | nutrients, minerals sugars |
| organs that absorb water and dissolved nutrients from soil | roots |
| what do root connect to | stems |
| organs that transport nutrients to that plant | stems |
| water, carbon, and oxygen enter and exit the plant through tiny openings in the leaf surface called what | stomata |
| what is the process of a plant growing towards light | phototropism |
| a change in the direction of plant growth in response to gravity is called what | gravitropism |
| what helps the stomata open and close | guard cells |
| what do plants take in | oxygen, water, carbon |
| what do plants release | sugars |
| what do plants make for animals to eat | glucose/sugar |