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Factors Influencing Species Diversity: Human Activities

Description: This quiz will test your knowledge about the factors influencing species diversity, with a focus on human activities.
Number of Questions: 15
Created by:
Tags: biodiversity species diversity human impact
Attempted 0/15 Correct 0 Score 0

Which human activity has the most significant negative impact on species diversity?

  1. Habitat destruction

  2. Climate change

  3. Pollution

  4. Invasive species


Correct Option: A
Explanation:

Habitat destruction is the leading cause of species extinction, as it removes the natural environment that species need to survive.

What is the term used to describe the introduction of non-native species into an ecosystem?

  1. Invasive species

  2. Endemic species

  3. Native species

  4. Threatened species


Correct Option: A
Explanation:

Invasive species are non-native species that have been introduced to an ecosystem and have a negative impact on the native species.

Which human activity is a major contributor to climate change?

  1. Deforestation

  2. Fossil fuel burning

  3. Agriculture

  4. Industrialization


Correct Option: B
Explanation:

Fossil fuel burning releases greenhouse gases into the atmosphere, which trap heat and contribute to climate change.

How does pollution affect species diversity?

  1. It can directly harm or kill organisms.

  2. It can alter the physical and chemical properties of the environment.

  3. It can reduce the availability of resources for organisms.

  4. All of the above


Correct Option: D
Explanation:

Pollution can have a variety of negative effects on species diversity, including directly harming or killing organisms, altering the physical and chemical properties of the environment, and reducing the availability of resources for organisms.

Which of the following is an example of a human activity that can lead to habitat fragmentation?

  1. Urbanization

  2. Agriculture

  3. Mining

  4. All of the above


Correct Option: D
Explanation:

Urbanization, agriculture, and mining can all lead to habitat fragmentation by breaking up natural habitats into smaller and isolated patches.

What is the term used to describe the process by which humans select and breed organisms with specific traits?

  1. Artificial selection

  2. Natural selection

  3. Selective breeding

  4. Genetic engineering


Correct Option: A
Explanation:

Artificial selection is the process by which humans select and breed organisms with specific traits, such as increased crop yields or resistance to disease.

How can artificial selection affect species diversity?

  1. It can lead to the loss of genetic diversity within a species.

  2. It can create new varieties of organisms that are better adapted to specific environments.

  3. It can increase the overall number of species in an ecosystem.

  4. Both A and B


Correct Option: D
Explanation:

Artificial selection can lead to the loss of genetic diversity within a species, as well as create new varieties of organisms that are better adapted to specific environments.

Which of the following is an example of a human activity that can lead to overexploitation of a species?

  1. Hunting

  2. Fishing

  3. Logging

  4. All of the above


Correct Option: D
Explanation:

Hunting, fishing, and logging can all lead to overexploitation of a species if they are not managed sustainably.

What is the term used to describe the process by which species adapt to changes in their environment?

  1. Evolution

  2. Adaptation

  3. Natural selection

  4. All of the above


Correct Option: D
Explanation:

Evolution, adaptation, and natural selection are all terms used to describe the process by which species adapt to changes in their environment.

How can human activities affect the rate of evolution?

  1. They can increase the rate of evolution by introducing new selective pressures.

  2. They can decrease the rate of evolution by reducing genetic diversity.

  3. They can both increase and decrease the rate of evolution, depending on the specific activity.

  4. None of the above


Correct Option: C
Explanation:

Human activities can both increase and decrease the rate of evolution, depending on the specific activity. For example, pollution can reduce genetic diversity and slow down the rate of evolution, while artificial selection can increase the rate of evolution by introducing new selective pressures.

Which of the following is an example of a human activity that can lead to the introduction of new diseases into an ecosystem?

  1. Travel and trade

  2. Deforestation

  3. Climate change

  4. All of the above


Correct Option: D
Explanation:

Travel and trade, deforestation, and climate change can all lead to the introduction of new diseases into an ecosystem.

How can the introduction of new diseases affect species diversity?

  1. It can cause population declines or extinctions.

  2. It can alter the competitive interactions between species.

  3. It can disrupt ecosystem functioning.

  4. All of the above


Correct Option: D
Explanation:

The introduction of new diseases can cause population declines or extinctions, alter the competitive interactions between species, and disrupt ecosystem functioning.

Which of the following is an example of a human activity that can lead to the loss of keystone species?

  1. Hunting

  2. Habitat destruction

  3. Pollution

  4. All of the above


Correct Option: D
Explanation:

Hunting, habitat destruction, and pollution can all lead to the loss of keystone species.

How can the loss of keystone species affect species diversity?

  1. It can lead to population declines or extinctions of other species.

  2. It can alter the structure and functioning of ecosystems.

  3. It can reduce the overall resilience of ecosystems.

  4. All of the above


Correct Option: D
Explanation:

The loss of keystone species can lead to population declines or extinctions of other species, alter the structure and functioning of ecosystems, and reduce the overall resilience of ecosystems.

What can be done to mitigate the negative impacts of human activities on species diversity?

  1. Protect and restore natural habitats.

  2. Reduce pollution.

  3. Manage invasive species.

  4. Promote sustainable use of resources.

  5. All of the above


Correct Option: E
Explanation:

Protecting and restoring natural habitats, reducing pollution, managing invasive species, and promoting sustainable use of resources are all important steps that can be taken to mitigate the negative impacts of human activities on species diversity.

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