What is the importance of pollination syndrome in predicting the behavioral preferences in pollinators? Why? What other factors might play a role in influencing pollinator behavior?
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What is the importance of pollination syndrome in predicting the behavioral preferences in pollinators? Why? What other factors might play a role in influencing pollinator behavior?
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- In the experiment conducted to test why individuals in the tree species Fuschsia excorticata retain flowers after they turn red even though the trees pollinate and offer a nectar reward only when flowers are green (Figure attached 10.28 first tested the 'pollinator-attraction' hypothesis that red flowers attract pollinators: once drawn to a tree, pollinators could forage on the green flowers still present, increasing overall pollination efficiency. Please assess the lowercase-Roman-numeral-labelled statements that appear immediately below and click the uppercase-letter-labelled response that appears below and conveys the most accurate information. i. If the pollinator-attraction hypothesis were correct, then green flowers surrounded by red flowers should receive more pollen than should green flowers surrounded by only green flowers. ii. The prediction in statement i could be tested by removing red flowers from some trees, forming one experimental group, and leaving red flowers on…What is known as coevolution in Pollination ?The following graph depicts the relationship between the mean flower depth of Zaluzianskya microsiphon plants and the proboscis length of its long-tonged fly Disa nivea pollinator in a specific region. • Zaluzianskya microsiphon 60- O Disa nivea E 50- 물 40- 30- 20- 10- 10 20 30 40 50 Mean fly proboscis length (mm) Based on this correlation, do you think these two species are coevolving? Why or why not? And based on the geographic mosaic theory, would you consider the region were the plants and flies live a cold or a hot spot? Explain your answer. Mean flower depth (mm)
- How does pollination by insects solve many of the problems associated with wind pollination?What type of pollinators are attracted to urban gardens?Many plants mimic other plants or other animals in order to attract pollinators. a) Describe one example of plants mimicking either other plants or other animals in order to attract pollinators. b) Why might these “cheating” strategies have evolved rather than developing “truthful” signals to attract a pollinator?
- What is pollination? What are the main forms of pollination?Which statement about wind-pollinated plants is correct? Their stamens and stigmas are inside the flower and, compared to insect-pollinated plants, they have large petals Their stamens and stigmas are outside the flower and, compared to insect-pollinated plants, they have small petals Their stamens and stigmas are outside the flower and, compared to insect-pollinated plants, they have large petalsWhat do you understand by self-pollination & cross pollination? Give examples of each.
- The following graph depicts the relationship between the mean flower depth of Zaluzianskya microsiphon plants and the proboscis length of its long-tonged fly Disa nivea pollinator in a specific region. Zaluzianskya microsiphon O Disa nivea 60- 50 40- 30 20- 10 10 20 30 40 50 Mean fly proboscis length (mm) Based on this correlation, do you think these two species are coevolving? Why or why not? And based on the geographic mosaic theory, would you consider the region were the plants and flies live a cold or a hot spot? Explain your answer. Mean flower depth (mm)What is meant by positive tropism and negative tropism?Fitness can be measured as seed set (seed production) Why is it important to measure fitness as seed production?
