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Chp 11 pt 1
Blume- Life Science Ch 11 part 1
| Question | Answer |
|---|---|
| A plant's response to gravity is called what? | gravitropism |
| The flowering of a plant in response to change of light or dark is called what? | Phototropism |
| A plant's response to length of day is called what? | Photoperiodism |
| If a plant is turned to it's side, the leaves and branches will bend and grow up. This is what? | Phototropism |
| If a plant is turned to its side, the leaves bend and grow up. This is what? | gravitropism |
| If a plant is turned to its side the roots will bend and grow down. This is what | gravitropism |
| If a plant is turned to its side the roots will bend and grow down. This is what? | phototropism |
| Anything in the environment that effects the behavior of an organism is called a what? | Stimulus |
| When an organism reacts to a stimulus it is a what | response |
| what are responses of an organism to an external stimuli like gravity & sunlight? | tropism |
| What are internal stimuli that cause plants to react; often only a gram needed? | Hormone |
| What causes fast growth through rapid cell division? | cytokinins |
| What is produced in cells of ripening fruit, which stimulates the ripening pocess.? | Ethylene |
| What slows or stops plant growth? | Abscisic acid |
| What causes cells to grow longer on the shaded side of the stem. | Auxin |
| Because of the effect of auxins on cell growth, plant systems grow where? | toward light |
| Plants that require less than 10-12 hours of darkness are called what? | long-day plants |
| Plants that have no specific period and can flowering process can begin within a range of hours of darkness are called what? | Day Neutral plants |
| Plants that require 12 or more hours of darkness are called what | Long day plants |
| The stomata are located primarily in the what? | palisade layer |
| Food is produced in the what? | Palisade layer |
| What contains carbon dioxide and water needed for food production? | spongy layer |
| What are cell structures where photosynthesis occurs? | Chloroplasts |
| The breakdown of food releases what? | Energy |
| What makes glucose and releases oxygen into the atmosphere? | Photosynthesis |
| What breaks down food and releases energy? | respiration |
| Photosynthesis uses _____, water, and light energy to produce glucose. | Carbon Dioxide |
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