Who’s 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 gerbil’s snout. B Evidence of visits to M. depressa by rodents. 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 . Do these data support the hypothesis that rodents are required for pollination of M. depressa ? Why or why not?

BuyFind

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
BuyFind

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

Solutions

Chapter
Section
Chapter 29, Problem 4DAA
Textbook Problem

Who’s 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).

Chapter 29, Problem 4DAA, Whos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of , example  1

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 gerbil’s snout.

Chapter 29, Problem 4DAA, Whos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of , example  2

B Evidence of visits to M. depressa by rodents.

Chapter 29, Problem 4DAA, Whos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of , example  3

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.

Do these data support the hypothesis that rodents are required for pollination of M. depressa? Why or why not?

Expert Solution

Want to see the full answer?

Check out a sample textbook solution.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times vary by subject and question complexity. Median response time is 34 minutes and may be longer for new subjects.

Additional Science Textbook Solutions

Find more solutions based on key concepts
According to the USDA Eating Patterns, which of the following vegetables should be limited? a. carrots b. avoca...

Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)

In the following diagram, designate each daughter cell as diploid (2n) or haploid (n).

Human Heredity: Principles and Issues (MindTap Course List)

How can astronomers detect neutrinos from the sun?

Horizons: Exploring the Universe (MindTap Course List)

The following charges are located inside a submarine: 5.00 C, -9.00 C, 27.0 C, and -84.0 C. (a) Calculate the n...

Physics for Scientists and Engineers, Technology Update (No access codes included)

What is the origin of oozes? What are the two types of oozes?

Oceanography: An Invitation To Marine Science, Loose-leaf Versin