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6th Grade Ch 5
Photosynthesis, Respiration, & Tropisms
| Question | Answer |
|---|---|
| Plants are organisms that make their own food, ______, for survival. | glucose |
| The process by which plants make glucose is called _________. | photosynthesis |
| _________, found in the cells of the leaf, contain chlorophyll, a green pigment that absorbs light energy. | chloroplasts |
| Plants use _____ _____ gas from the air and _______ to make food in the leaves. | carbon dioxide; water |
| During the process of photosynthesis, _______ is also produced. | oxygen |
| The oxygen produced by photosynthesis is released into the air through the _________. | stomata |
| ____________ is the process that provides the oxygen in the atmosphere that most living organisms need. | Photosynthesis |
| The raw material carbon dioxide is brought in through the ______. | stomata |
| The raw material water is brought in through the ____. | roots |
| What are the raw materials of photosynthesis | carbon dioxide and water |
| What are the products of photosynthesis | oxygen and glucose |
| The food created through the process of photosynthesis is used to provide ______ needed by the plants to perform life functions. | energy |
| ________ is the process by which plants must break down the sugar in the cells throughout the plant to obtain the energy from the food it produces. | Respiration |
| During ____, oxygen from the air combines with the sugar, which is then broken down into carbon dioxide and water. | respiration |
| _____ is released during respiration. | |
| The energy produced by __________ can be used by the plant to perform life functions. | respiration |
| The _____ ________ and _________ that are formed during respiration are then given off through the stomata in the leaves. | carbon dioxide and water |
| What are the raw materials of respiration | oxygen and glucose |
| What are the products of respiration | carbon dioxide and water |
| What is produced by respiration | energy |
| Plants lose most of the water through the leaves in a process called _____. | transpiration |
| ______ _______ mostly on the underside of the leaf, open and close the stomata. | guard cells |
| When the ______ are closed, water cannot escape from the leaf. | stomata |
| Under certain conditions, when a mature plant or seed becomes or remains inactive, it is said to be ______. | dormant |
| ________ is a period of time when the growth or activity of a plant or seed stops due to changes in temperature or amount of water. | Dormancy |
| __________ allows various species to survive in particular environments. | Dormancy |
| Dormancy helps to ensure that seeds will germinate when conditions are ________ for survival of the small seedlings. | favorable |
| Plants respond to changes in the environment by growing or moving their stems, roots, or leaves toward or away from the ______ | stimulus |
| Tropism | the response or behavior of a plant to a stimulus in the environment. |
| Phototropism | The way a plant grows or moves in response to light |
| Gravitropism | The way a plant grows or moves in response to gravity; also called geotropism |
| Hydrotropism | The way a plant grows or moves in response to water |
| Thigmotropism | The way a plant grows or moves in response to touch |
Created by:
Ms. Phillips
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