Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 55, Problem 4Q
Summary Introduction
To review:
Whether, the specialist plant-pollinator interactions are affected more or less by the climate warming, as compared to the generalist plant-pollinator interaction.
Introduction:
A mutual relationship exists between bees and flowering plants. The plants are dependent on bees to disperse their species via pollination and the bees depend on plants for nectar to nourish their young ones. The climate warming has affected this interaction over the 30 years, that is, from 1971 to 1999. This has been observed in the experiment, conducted by considering the generalist bee species.
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European honeybees as their name suggests originated in Europe but have now spread to all continents except Antarctica. They pose an added threat to many native bee species already at risk of declining numbers or even extinction due to increasing urbanization. A research conducted in Australia has very recently published in the Biological Journal of the Linnean Society. According to the study, a competition between the native bees and the introduced European honeybee is particularly intense in residential gardens dominated by non-native flowers (the native bees have co- evolved to forage on) and occurred when the bees shared the same flower preferences. European honeybees, being very abundant, and effective foragers, with the ability to exploit a wide range of flowers, can outcompete native bees for nectar and pollen resources. In this condition, what would you suggest rescuing the native bees as a biotechnologist? Justify your reasoning.
Which of the following statements most accurately describes the example of species interactions for ants, plants and aphids
Question 2 options:
The burdock plant is negatively affected by a heavy aphid investation, the ants are negatively affected by the aphids and aphids are positively affected by the ants.
The burdock plant is negatively affected by a heavy aphid investation, the ants are positively affected by the aphids and aphids are not affected by the ants
The burdock plant is negatively affected by a heavy aphid investation, the ants are positively affected by the aphids and aphids are positively affected by the ants.
The burdock plant is not affected by a heavy aphid investation, the ants are positively affected by the aphids and aphids are positively affected by the ants.
In response to warmer spring temperatures, a plant species is flowering earlier in the year than it would have historically. However, its primary pollinator, the bumblebee, has not been as responsive to temperature changes and continues to emerge at the same time as usual. As a result, peak floral displays have finished prior to pollinator emergence. This change in plant-pollinator interactions is an example of:
a.Uncoupling of interdependent species
b.Sympatric speciation
c.Heterochrony
d.Interspecific evolution
Chapter 55 Solutions
Life: The Science of Biology
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