Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Question
Chapter 45, Problem 1AC
Summary Introduction
To determine:
The condition that an individual could try to get the seeds to germinate.
Introduction:
When the embryonic plant which is present within seed start growing in the form of sprouting, breaks a dormancy period and forms a seedling then the seeds are said to be germinated.
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We used seedlings of Lepidium sativum to see under which conditions it would germinate in an experiment. We'd use cotton wool and dampen it, and placing the seedlings at the bottom. Depending on which bottle it was, some were mixed with dampened cotton wool, and others didn't have cotton wool that were dampened. Then the opening of the bottle was covered, except for one which was covered with a lid. (See the picture).
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Chapter 45 Solutions
Biology
Ch. 45.1 - Prob. 1CYLCh. 45.1 - diagram the life cycles of ferns and flowering...Ch. 45.2 - Prob. 1CSCCh. 45.2 - Prob. 1TCCh. 45.2 - Prob. 2TCCh. 45.2 - diagram the structure of a complete flower and...Ch. 45.2 - Prob. 2CYLCh. 45.2 - explain the processes of pollination and double...Ch. 45.3 - Prob. 1HYEWCh. 45.3 - explain how the parts of a flower develop into the...
Ch. 45.3 - describe the differences between monocot and dicot...Ch. 45.4 - The warmth of hot flowers attracts pollinators and...Ch. 45.4 - explain why many seeds undergo dormancy before...Ch. 45.4 - Prob. 2CYLCh. 45.5 - Prob. 1TCCh. 45.5 - Prob. 2TCCh. 45.5 - Prob. 1CYLCh. 45.6 - Prob. 1CSCCh. 45.6 - Prob. 1TCCh. 45.6 - Prob. 1CYLCh. 45.6 - describe how fruit structures aid in seed...Ch. 45.6 - Heat-producing flowers are rare, and many are...Ch. 45 - Prob. 1MCCh. 45 - Prob. 2MCCh. 45 - Prob. 3MCCh. 45 - Which of the following is True? a. Moth-pollinated...Ch. 45 - Prob. 5MCCh. 45 - Prob. 1FIBCh. 45 - In a flowering plant, the male gametophyte is the...Ch. 45 - Prob. 3FIBCh. 45 - Prob. 4FIBCh. 45 - Prob. 5FIBCh. 45 - Diagram the general plant life cycle. Which stages...Ch. 45 - Prob. 2RQCh. 45 - Prob. 3RQCh. 45 - Prob. 4RQCh. 45 - Prob. 5RQCh. 45 - Describe the characteristics you would expect to...Ch. 45 - Prob. 7RQCh. 45 - Describe three mechanisms whereby seed dormancy is...Ch. 45 - Prob. 9RQCh. 45 - Describe three types of fruits and the mechanisms...Ch. 45 - Prob. 1ACCh. 45 - Prob. 2AC
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- Growers often wrap potted plants in plastic sleeves prior to shipping. If plants remain in these sleeves too long, their leaves curl and fall off. Imagine you are working at a garden center and have been asked to make a presentation to a local garden club.arrow_forwardWhy do you think seed is important to crop production? The answer should have introduction, body, and conclusion.arrow_forwardJamie planted a big plot of hardy garden chrysanthemums in his greenhouse during the winter since the day length of winter was short. However, Jamie noticed a small plot of hardy garden chrysanthemums at the corner didn’t bloom. Why?arrow_forward
- a) Imagine you are going to plant two bean seeds. You plant one bean seed normally, but you decide to poke little holes in the second bean seed before planting it. Which bean seed would you expect to germinate more quickly and why? (* b) Imagine you are going to plant two bean seeds. You plant one bean seed at room temperature and one bean seed in the fridge. Which bean seed would you expect to germinate more quickly and why?*arrow_forwardIt is common practice to store fruit in paper bags in an effort to make them ripen quicker. Explain the reasoning behind this practice.arrow_forwardYour class is studying the burrs – the seed pods – of the common burdock plant. Your lab partner notices that the burrs easily cling to clothing, as well as to each other, and that some of the spines have come loose and gotten stuck in her skin, which is somewhat painful. Based on these observations, is there a logical explanation, other than reproductive success, for why the seed might have this special structure? (a) Yes, the structure may help the seed cling to the soil so that it can take root more easily (b) yes, these structures may prevent the seeds from getting damaged or eaten by other animals (c) yes, the structures may help prevent the seeds from getting pulled from the plant by sticking to each other (d) No, they are obviously intended to attach to animals so that they can be carried and dropped elsewherearrow_forward
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