Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 29, Problem 4DAA
Summary Introduction
To determine: Whether the rodents are required for the pollination of Massonia depressa plant.
Concept introduction: Pollination takes place with the help of pollinating agents such as by wind or animal. Pollinators are the animal pollination vectors. The pollen, nectar, and other rewards are used by the plants to attract the pollinators. A plant called Massonia depressa is a low-growing moist plant that is commonly found in the semi-desert of South Africa. The researchers believed that the mammals like gerbils are found to pollinate Massonia depressa plant.
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Chapter 29 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Prob. 4DAACh. 29 - The arrival of pollen grains on a receptive stigma...Ch. 29 - An animal pollinator may be rewarded by _______...Ch. 29 - Prob. 3SQCh. 29 - In flowrers, the structures that produce male...Ch. 29 - Meiosis of cells in pollen sacs forms haploid...Ch. 29 - Prob. 6SQ
Ch. 29 - Choose the statement that is true. a. All flowers...Ch. 29 - The seed coat forms from the __________. a....Ch. 29 - Seeds are mature ______; fruits are mature...Ch. 29 - Jessica is preparing a plate of fruits for a party...Ch. 29 - Cotyledons develop as pan of ________. a. carpels...Ch. 29 - Exposure to _______ can trigger seed germination....Ch. 29 - Prob. 13SQCh. 29 - Match the terms with the most suitable...Ch. 29 - Prob. 15SQCh. 29 - Prob. 1CTCh. 29 - All but one species of large birds native to New...Ch. 29 - Is the seedling shown on the right a monocot or...
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- Question:- Which of the following is FALSE about fruit? A. Mature ovary B. Protect seeds and aid in dispersal C. Exposes the seeds D. Produced by flowering plantsarrow_forwardWhos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of South Africa. The dull-colored flowers of this monocot develop at ground level, have tiny petals, emit a yeasty aroma, and produce a thick, jellylike nectar. These trails led researchers to suspect that desert rodents such as gerbils pollinate this plant. The researchers trapped rodents in areas where M. depressa grows and checked them for pollen (FIGURE 29.7A,B). They also put some plants in wire cages that excluded mammals, but not insects, to see whether fruits and seeds would form in the absence of rodents (FIGURE 29.7C). A The dull petalless, ground-level flower of Massonia depressa are accessible to rodents, who push their heads through the stamens to reach the nectar at the bottom of floral cups. Note the pollen on the gerbils snout. B Evidence of visits to M. depressa by rodents. Mammals allowed access to plants Mammals excluded from plants Percent of plants that set fruit 30.4 4.3 Average number of fruits per pant 1.39 0.47 Average number of seeds per plant 20.0 1.96 C Fruit and seed production of M. depressa with and without visits by mammals. Mammals were excluded from plants by wire cages with openings large enough for insects to pass through. Twenty-three plants were tested in each group. FIGURE 29.7 Testing pollination of M. depressa by rodents. Would this evidence alone be sufficient to conclude that rodents are the main pollinators of this plant?arrow_forwardWhos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of South Africa. The dull-colored flowers of this monocot develop at ground level, have tiny petals, emit a yeasty aroma, and produce a thick, jellylike nectar. These trails led researchers to suspect that desert rodents such as gerbils pollinate this plant. The researchers trapped rodents in areas where M. depressa grows and checked them for pollen (FIGURE 29.7A,B). They also put some plants in wire cages that excluded mammals, but not insects, to see whether fruits and seeds would form in the absence of rodents (FIGURE 29.7C). A The dull petalless, ground-level flower of Massonia depressa are accessible to rodents, who push their heads through the stamens to reach the nectar at the bottom of floral cups. Note the pollen on the gerbils snout. B Evidence of visits to M. depressa by rodents. Mammals allowed access to plants Mammals excluded from plants Percent of plants that set fruit 30.4 4.3 Average number of fruits per pant 1.39 0.47 Average number of seeds per plant 20.0 1.96 C Fruit and seed production of M. depressa with and without visits by mammals. Mammals were excluded from plants by wire cages with openings large enough for insects to pass through. Twenty-three plants were tested in each group. FIGURE 29.7 Testing pollination of M. depressa by rodents. How did the average number of seeds of produced by caged plants compare with that of control plants?arrow_forward
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