EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 8220100477805
Author: STARR
Publisher: CENGAGE L
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Chapter 40, Problem 2CT
Summary Introduction
To determine:
The way in which different life histories can be adaptive in the same desert environment.
Introduction:
Each summer, a giant saguaro cactus produces tens of thousands of tiny black seeds. Few of the seeds land in a sheltered spot sprout the following spring. The saguaro is a slow-growing CAM plant. After fifteen years, it may be only knee high and will not flower for another fifteen years.
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Chapter 40 Solutions
EBK BIOLOGY: CONCEPTS AND APPLICATIONS
Ch. 40 - Prob. 1SQCh. 40 - The rate at which population size grows or...Ch. 40 - Suppose 200 fish are marked and released in a...Ch. 40 - Prob. 4SQCh. 40 - For a given species, the maximum rate of increase...Ch. 40 - _______ is a density-independent factor that...Ch. 40 - Prob. 7SQCh. 40 - Prob. 8SQCh. 40 - Compared to the less developed countries, the...Ch. 40 - An increase in infant mortality will _______ a...
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- Basil is common in vegetable gardens. Many gardeners grow this plant for its leaves, which provide flavor in sauces and other dishes. Leaf production is higher when young flowers are pruned off the plant before they have a chance to develop. Explain this observationarrow_forwardIn most parts of the world, commercial potato crops are produced asexually by planting tubers. However, in some regions of the world, such as Southeast Asia and the Andes, some potatoes are grown from true seeds. Discuss the advantages and disadvantages of growing potatoes from true seed.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
- Many flowers have both anthers and pistils. What prevents self-pollination and later self-fertilization?arrow_forwardChoose one of the possible answers in the brackets to fill in the blank. During (simple dormancy/organic dormancy), seed only requires proper light and moisture for germination. During (simple dormancy/organic dormancy), the property of the seed prevents germination, even with light and moisture.arrow_forwardJames is preparing a plate of papaya (Carica papaya) for his sleepover friends. As he cuts open the papaya, they discover numbers of slime-covered seed inside, surrounded by soft flesh and soft skin. Before papaya fruits ripen and the seeds inside them mature, their flesh is bitter or sour. Only later does it become tasty.Discuss how this feature improves the odds for the plant's reproductive success and identify the possible agents to disperse the seeds. Remark: The word count limit is 250 words only, no less than 100 words.arrow_forward
- In an area that is not equipped with irrigation facilities and prone to drought during dry months, give and explain TWO (2) characteristics of plants that could thrive under such conditions.arrow_forwardCompare and contrast the plant alternation-of-generations life cyclewith the human life cycle.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
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