The selection pressures in terms of species interaction and the physical environment, which might be faced by the organisms, while adjusting in new habitats in the face of climate change Introduction: The trapping of outgoing long wavelengths of infrared radiations by greenhouse gases, such as carbon dioxide and chlorofluorocarbons (CFCs), results in the greenhouse effect. An increase in the level of greenhouse gases has led to an escalation in the average temperature around the earth, which is popularly known as global warming. In the face of changing climatic conditions, organisms are now at risk from the changing temperature and are pushed to adapt to the new physical conditions. They not only face threats from existing species but also have to adjust to their new physical environment.

Question

Which of the following best explains the connection between increased competition and the evolution of a species by natural selection? Individuals migrate to another area in order to avoid competition for limited resources in the current ecosystem. Individuals that have traits that allow them to outcompete others survive better and produce more offspring. Individuals must become stronger to compete for resources, and this increased strength is passed on to the next generation. Individuals that must compete for limited resources are more likely to have diseases that cause mutations.

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Question

Chapter 51, Problem 13TYK

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The selection pressures in terms of species interaction and the physical environment, which might be faced by the organisms, while adjusting in new habitats in the face of climate change

Introduction:

The trapping of outgoing long wavelengths of infrared radiations by greenhouse gases, such as carbon dioxide and chlorofluorocarbons (CFCs), results in the greenhouse effect. An increase in the level of greenhouse gases has led to an escalation in the average temperature around the earth, which is popularly known as global warming. In the face of changing climatic conditions, organisms are now at risk from the changing temperature and are pushed to adapt to the new physical conditions. They not only face threats from existing species but also have to adjust to their new physical environment.

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Which of the following best explains the connection between increased competition and the evolution of a species by natural selection? Individuals migrate to another area in order to avoid competition for limited resources in the current ecosystem. Individuals that have traits that allow them to outcompete others survive better and produce more offspring. Individuals must become stronger to compete for resources, and this increased strength is passed on to the next generation. Individuals that must compete for limited resources are more likely to have diseases that cause mutations.

Which of the following is TRUE of species interactions? If you are unsure, revisit your reading. 1. T/F They can act as agents of natural selection. [ Select ] 2. T/F The outcome of any species interactions is static through time. [ Select ] 3. T/F They can affect species diversity. [ Select ] 4. T/F They cannot affect species abundance. [ Select ]

Which of the following statements is consistent with the principle of competitive exclusion? Bird species generally do not compete for nesting sites Two species with the same fundamental niche will likely exclude all other species Natural selection tends to increase competition between closely related species When two species are in direct competition for the same resource, one species will eventually prevail