Campbell Biology: Concepts & Connections
15th Edition
ISBN: 9781269952378
Author: Jane Reese, Martha Taylor, Eric Simon, Jean Dickey, Kelly Hogan
Publisher: PEARSON
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Textbook Question
Chapter 39, Problem 8TYU
DRAW IT Indicate the response to each condition by drawing a straight seedling or one with the triple response.
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Which of the following phrases best explains how differing maturity levels of the pistil and stamen are beneficial for some flowers ?
ANSWER CHOICES ARE IN THE PHOTO. thanks
Make a conclucsion about the Seedling Growth of moggo seeds and its Responses to Stress.
A. Draw CABALLERO FLOWER according to its sexuality
B. Identify whether it is pistillate, staminate, dioecious and monoecious flowers.
Chapter 39 Solutions
Campbell Biology: Concepts & Connections
Ch. 39.1 - What are the morphological differences between...Ch. 39.1 - Cycloheximide is a drug that inhibits protein...Ch. 39.1 - Prob. 3CCCh. 39.2 - Prob. 1CCCh. 39.2 - WHAT IF? If a plant has the double mutation err...Ch. 39.2 - Prob. 3CCCh. 39.3 - If an enzyme in field-grown soybean leaves is most...Ch. 39.3 - WHAT IF? If a plant flowers in a controlled...Ch. 39.3 - MAKE CONNECTIONS Plants detect the quality of...Ch. 39.4 - Prob. 1CC
Ch. 39.4 - Prob. 2CCCh. 39.4 - Prob. 3CCCh. 39.5 - What are some drawbacks of spraying fields with...Ch. 39.5 - Chewing insects mechanically damage plants and...Ch. 39.5 - Many fungal pathogens get food by causing plant...Ch. 39.5 - WHAT IF? Suppose a scientist finds that a...Ch. 39 - What are two common ways by which signal...Ch. 39 - Is there any truth to the old adage, "One bad...Ch. 39 - Why did plant physiologists propose the existence...Ch. 39 - Plants that have acclimated to drought stress are...Ch. 39 - Prob. 39.5CRCh. 39 - Prob. 1TYUCh. 39 - Prob. 2TYUCh. 39 - Prob. 3TYUCh. 39 - How may a plant respond to severe heat stress? (A)...Ch. 39 - Level 2: Application/Analysis 5. The signaling...Ch. 39 - If a long-day plant has a critical night length of...Ch. 39 - Prob. 7TYUCh. 39 - DRAW IT Indicate the response to each condition by...Ch. 39 - Level 3: Synthesis/Evaluation 9. EVOLUTION...Ch. 39 - SCIENTIFIC INQUIRY A plant biologist observed a...Ch. 39 - SCIENCE. TECHNOLOGY, AND SOCIETY Describe how our...Ch. 39 - Prob. 12TYUCh. 39 - Prob. 13TYU
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- A. Draw BATAO FLOWER according to its sexuality B. Identify whether it is pistillate, staminate, dioecious and monoecious flowers.arrow_forwardWhich of the following is True?a. Ethylene stimulates abscission layers to form.b. Abscisic acid causes abscission layers to form.c. Ethylene is sometimes sprayed on flowers to keep them fresh.d. Abscisic acid stimulates seed germination.arrow_forwardDrying and aging seeds is a way to enhance seed viability and germination and at the same time to control seed-borne plant pathogens. True or falsearrow_forward
- Far-red light will _________stem elongation and _______seed dormancy. Select one: a. promote, suppress b. suppress, promote c. suppress, suppress d. promote, promotearrow_forwardChoose the best answer for following question Grapes can grow larger and exhibit stem elongation. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokininarrow_forwardIdentify the wrong match a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin induces and Cytokinin counteracts c.Dormancy — Both ethylene and GA break it d.Callus differentiation — Auxin and cytokininsarrow_forward
- Positive thigmotropism is a response in plants in which they move and grow toward an object the plant comes into physical contact with , usually curling around the object. This response of the shoot system benefits the plant by allowing the plant to -arrow_forwardGreenhouse-grown tomato seedlings are often brushed by hand to simulate wind. This causes seedlings to grow slower, thicken stems, & resist mechanical wind damage when planted in the field. Which hormone is responsible? Auxin Salicylic acid Gibberellin Abscisic acid cytokinin Ethylenearrow_forwardA. Draw MAYANA FLOWER according to its sexuality B. Identify whether it is pistillate, staminate, dioecious and monoecious flowers.arrow_forward
- Elevated levels of this hormone promote seed dormancy? Select one: a. gibberellin b. abscisic acid c. ethylene d. salicyclic acid e. auxinarrow_forwardLabel the major parts of the flower by dragging the response boxes to their corresponding location on the diagramarrow_forwardA perfect flower is one in which both ________ and ______________ are present.arrow_forward
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